25268004 has 48 divisors (see below), whose sum is σ = 67045440. Its totient is φ = 8225280.

The previous prime is 25267997. The next prime is 25268011. The reversal of 25268004 is 40086252.

It is an interprime number because it is at equal distance from previous prime (25267997) and next prime (25268011).

It is a super-2 number, since 2×25268004² = 1276944052288032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1924 + ... + 7364.

It is an arithmetic number, because the mean of its divisors is an integer number (1396780).

Almost surely, 2^25268004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25268004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33522720).

25268004 is an abundant number, since it is smaller than the sum of its proper divisors (41777436).

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

25268004 is a wasteful number, since it uses less digits than its factorization.

25268004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497 (or 5489 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 25268004 is about 5026.7289562896. The cubic root of 25268004 is about 293.4429267949.

The spelling of 25268004 in words is "twenty-five million, two hundred sixty-eight thousand, four".