51025604 has 24 divisors (see below), whose sum is σ = 103067328. Its totient is φ = 21650400.

The previous prime is 51025603. The next prime is 51025631. The reversal of 51025604 is 40652015.

It is a super-2 number, since 2×51025604² = 5207224527129632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51025604.

It is not an unprimeable number, because it can be changed into a prime (51025603) 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 7 ways as a sum of consecutive naturals, for example, 6194 + ... + 11849.

It is an arithmetic number, because the mean of its divisors is an integer number (4294472).

Almost surely, 2^51025604 is an apocalyptic number.

It is an amenable number.

51025604 is an abundant number, since it is smaller than the sum of its proper divisors (52041724).

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

51025604 is a wasteful number, since it uses less digits than its factorization.

51025604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18155 (or 18153 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 51025604 is about 7143.2208421692. The cubic root of 51025604 is about 370.9050257832.

Adding to 51025604 its reverse (40652015), we get a palindrome (91677619).

The spelling of 51025604 in words is "fifty-one million, twenty-five thousand, six hundred four".