51625132 has 24 divisors (see below), whose sum is σ = 97697376. Its totient is φ = 23728128.

The previous prime is 51625121. The next prime is 51625139. The reversal of 51625132 is 23152615.

It is a junction number, because it is equal to n+sod(n) for n = 51625097 and 51625106.

It is not an unprimeable number, because it can be changed into a prime (51625139) 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, 11433 + ... + 15295.

It is an arithmetic number, because the mean of its divisors is an integer number (4070724).

Almost surely, 2^51625132 is an apocalyptic number.

51625132 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51625132 is a deficient number, since it is larger than the sum of its proper divisors (46072244).

51625132 is a wasteful number, since it uses less digits than its factorization.

51625132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4137 (or 4135 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 51625132 is about 7185.0631173289. The cubic root of 51625132 is about 372.3520292724.

Adding to 51625132 its reverse (23152615), we get a palindrome (74777747).

The spelling of 51625132 in words is "fifty-one million, six hundred twenty-five thousand, one hundred thirty-two".