5211000 has 128 divisors (see below), whose sum is σ = 18158400. Its totient is φ = 1382400.

The previous prime is 5210999. The next prime is 5211023. The reversal of 5211000 is 1125.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26904 + ... + 27096.

Almost surely, 2^5211000 is an apocalyptic number.

5211000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9079200).

5211000 is an abundant number, since it is smaller than the sum of its proper divisors (12947400).

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

5211000 is a wasteful number, since it uses less digits than its factorization.

5211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 5211000 is about 2282.7614855696. The cubic root of 5211000 is about 173.3698969546.

Adding to 5211000 its reverse (1125), we get a palindrome (5212125).

It can be divided in two parts, 521 and 1000, that added together give a square (1521 = 39²).

The spelling of 5211000 in words is "five million, two hundred eleven thousand".