25143396 has 12 divisors (see below), whose sum is σ = 58667952. Its totient is φ = 8381128.

The previous prime is 25143389. The next prime is 25143413. The reversal of 25143396 is 69334152.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047630 + ... + 1047653.

It is an arithmetic number, because the mean of its divisors is an integer number (4888996).

Almost surely, 2^25143396 is an apocalyptic number.

It is an amenable number.

25143396 is an abundant number, since it is smaller than the sum of its proper divisors (33524556).

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

25143396 is a wasteful number, since it uses less digits than its factorization.

25143396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095290 (or 2095288 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 25143396 is about 5014.3190963480. The cubic root of 25143396 is about 292.9597649248.

The spelling of 25143396 in words is "twenty-five million, one hundred forty-three thousand, three hundred ninety-six".