51525032 has 16 divisors (see below), whose sum is σ = 104041140. Its totient is φ = 23780736.

The previous prime is 51525031. The next prime is 51525041. The reversal of 51525032 is 23052515.

It can be written as a sum of positive squares in 2 ways, for example, as 37039396 + 14485636 = 6086^2 + 3806^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51524989 and 51525007.

It is not an unprimeable number, because it can be changed into a prime (51525031) by changing a digit.

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, 247613 + ... + 247820.

Almost surely, 2^51525032 is an apocalyptic number.

51525032 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51525032 is an abundant number, since it is smaller than the sum of its proper divisors (52516108).

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

51525032 is a wasteful number, since it uses less digits than its factorization.

51525032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495452 (or 495448 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 51525032 is about 7178.0938974076. The cubic root of 51525032 is about 372.1112127501. Note that the first 3 decimals are identical.

Adding to 51525032 its reverse (23052515), we get a palindrome (74577547).

The spelling of 51525032 in words is "fifty-one million, five hundred twenty-five thousand, thirty-two".