51375262 has 4 divisors (see below), whose sum is σ = 77062896. Its totient is φ = 25687630.

The previous prime is 51375251. The next prime is 51375263. The reversal of 51375262 is 26257315.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51375263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12843814 + ... + 12843817.

It is an arithmetic number, because the mean of its divisors is an integer number (19265724).

Almost surely, 2^51375262 is an apocalyptic number.

51375262 is a deficient number, since it is larger than the sum of its proper divisors (25687634).

51375262 is a wasteful number, since it uses less digits than its factorization.

51375262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25687633.

The product of its digits is 12600, while the sum is 31.

The square root of 51375262 is about 7167.6538699912. The cubic root of 51375262 is about 371.7503190240.

The spelling of 51375262 in words is "fifty-one million, three hundred seventy-five thousand, two hundred sixty-two".