5211450 has 72 divisors (see below), whose sum is σ = 14425788. Its totient is φ = 1347840.

The previous prime is 5211449. The next prime is 5211457. The reversal of 5211450 is 541125.

5211450 is a `hidden beast` number, since 5 + 211 + 450 = 666.

5211450 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1279161 + 3932289 = 1131^2 + 1983^2 .

It is a super-2 number, since 2×5211450² = 54318422205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5211457) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16494 + ... + 16806.

Almost surely, 2^5211450 is an apocalyptic number.

5211450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 5211450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7212894).

5211450 is an abundant number, since it is smaller than the sum of its proper divisors (9214338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5211450 is a wasteful number, since it uses less digits than its factorization.

5211450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 5211450 is about 2282.8600482728. The cubic root of 5211450 is about 173.3748873088.

Adding to 5211450 its reverse (541125), we get a palindrome (5752575).

The spelling of 5211450 in words is "five million, two hundred eleven thousand, four hundred fifty".