5211240 has 32 divisors (see below), whose sum is σ = 15634080. Its totient is φ = 1389632.

The previous prime is 5211233. The next prime is 5211247. The reversal of 5211240 is 421125.

It is an interprime number because it is at equal distance from previous prime (5211233) and next prime (5211247).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (5211247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21594 + ... + 21833.

It is an arithmetic number, because the mean of its divisors is an integer number (488565).

Almost surely, 2^5211240 is an apocalyptic number.

It is an amenable number.

5211240 is an abundant number, since it is smaller than the sum of its proper divisors (10422840).

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

5211240 is a wasteful number, since it uses less digits than its factorization.

5211240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43441 (or 43437 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 5211240 is about 2282.8140528742. The cubic root of 5211240 is about 173.3725585126.

Adding to 5211240 its reverse (421125), we get a palindrome (5632365).

The spelling of 5211240 in words is "five million, two hundred eleven thousand, two hundred forty".