25400104 has 8 divisors (see below), whose sum is σ = 47625210. Its totient is φ = 12700048.

The previous prime is 25400083. The next prime is 25400147. The reversal of 25400104 is 40100452.

It can be written as a sum of positive squares in only one way, i.e., 23059204 + 2340900 = 4802^2 + 1530^2 .

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, 1587499 + ... + 1587514.

Almost surely, 2^25400104 is an apocalyptic number.

It is an amenable number.

25400104 is a deficient number, since it is larger than the sum of its proper divisors (22225106).

25400104 is a wasteful number, since it uses less digits than its factorization.

25400104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175019 (or 3175015 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 25400104 is about 5039.8515851164. The cubic root of 25400104 is about 293.9534070887.

Adding to 25400104 its reverse (40100452), we get a palindrome (65500556).

The spelling of 25400104 in words is "twenty-five million, four hundred thousand, one hundred four".