25413828 has 24 divisors (see below), whose sum is σ = 64690080. Its totient is φ = 7701120.

The previous prime is 25413823. The next prime is 25413833. The reversal of 25413828 is 82831452.

It is an interprime number because it is at equal distance from previous prime (25413823) and next prime (25413833).

It is a super-2 number, since 2×25413828² = 1291725307227168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (25413821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96133 + ... + 96396.

It is an arithmetic number, because the mean of its divisors is an integer number (2695420).

Almost surely, 2^25413828 is an apocalyptic number.

It is an amenable number.

25413828 is an abundant number, since it is smaller than the sum of its proper divisors (39276252).

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

25413828 is a wasteful number, since it uses less digits than its factorization.

25413828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192547 (or 192545 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 25413828 is about 5041.2129492812. The cubic root of 25413828 is about 294.0063398142.

The spelling of 25413828 in words is "twenty-five million, four hundred thirteen thousand, eight hundred twenty-eight".