51025332 has 12 divisors (see below), whose sum is σ = 119059136. Its totient is φ = 17008440.

The previous prime is 51025319. The next prime is 51025333. The reversal of 51025332 is 23352015.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 51025299 and 51025308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51025333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2126044 + ... + 2126067.

Almost surely, 2^51025332 is an apocalyptic number.

It is an amenable number.

51025332 is an abundant number, since it is smaller than the sum of its proper divisors (68033804).

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

51025332 is a wasteful number, since it uses less digits than its factorization.

51025332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252118 (or 4252116 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 51025332 is about 7143.2018031132. The cubic root of 51025332 is about 370.9043667262.

Adding to 51025332 its reverse (23352015), we get a palindrome (74377347).

The spelling of 51025332 in words is "fifty-one million, twenty-five thousand, three hundred thirty-two".