25000104 has 16 divisors (see below), whose sum is σ = 62500320. Its totient is φ = 8333360.

The previous prime is 25000069. The next prime is 25000109. The reversal of 25000104 is 40100052.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 25000104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25000109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520812 + ... + 520859.

It is an arithmetic number, because the mean of its divisors is an integer number (3906270).

Almost surely, 2^25000104 is an apocalyptic number.

25000104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25000104 is an abundant number, since it is smaller than the sum of its proper divisors (37500216).

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

25000104 is a wasteful number, since it uses less digits than its factorization.

25000104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041680 (or 1041676 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 25000104 is about 5000.0103999892. The cubic root of 25000104 is about 292.4021792845.

Adding to 25000104 its reverse (40100052), we get a palindrome (65100156).

The spelling of 25000104 in words is "twenty-five million, one hundred four", and thus it is an aban number.