51700252 has 12 divisors (see below), whose sum is σ = 90644680. Its totient is φ = 25801776.

The previous prime is 51700237. The next prime is 51700267. The reversal of 51700252 is 25200715.

It is an interprime number because it is at equal distance from previous prime (51700237) and next prime (51700267).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9627 + ... + 14002.

Almost surely, 2^51700252 is an apocalyptic number.

It is an amenable number.

51700252 is a deficient number, since it is larger than the sum of its proper divisors (38944428).

51700252 is a wasteful number, since it uses less digits than its factorization.

51700252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24180 (or 24178 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 51700252 is about 7190.2887285560. The cubic root of 51700252 is about 372.5325455401.

Adding to 51700252 its reverse (25200715), we get a palindrome (76900967).

The spelling of 51700252 in words is "fifty-one million, seven hundred thousand, two hundred fifty-two".