25238000104 has 8 divisors (see below), whose sum is σ = 47321250210. Its totient is φ = 12619000048.

The previous prime is 25238000087. The next prime is 25238000141. The reversal of 25238000104 is 40100083252.

It can be written as a sum of positive squares in only one way, i.e., 23256860004 + 1981140100 = 152502^2 + 44510^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577374999 + ... + 1577375014.

Almost surely, 2^25238000104 is an apocalyptic number.

It is an amenable number.

25238000104 is a deficient number, since it is larger than the sum of its proper divisors (22083250106).

25238000104 is a wasteful number, since it uses less digits than its factorization.

25238000104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154750019 (or 3154750015 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 25238000104 its reverse (40100083252), we get a palindrome (65338083356).

The spelling of 25238000104 in words is "twenty-five billion, two hundred thirty-eight million, one hundred four", and thus it is an aban number.