25198002 has 48 divisors (see below), whose sum is σ = 56668248. Its totient is φ = 8087040.

The previous prime is 25197979. The next prime is 25198021. The reversal of 25198002 is 20089152.

It can be written as a sum of positive squares in 4 ways, for example, as 12173121 + 13024881 = 3489^2 + 3609^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57978 + ... + 58410.

Almost surely, 2^25198002 is an apocalyptic number.

25198002 is an abundant number, since it is smaller than the sum of its proper divisors (31470246).

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

25198002 is a wasteful number, since it uses less digits than its factorization.

25198002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 25198002 is about 5019.7611496963. The cubic root of 25198002 is about 293.1716932570.

The spelling of 25198002 in words is "twenty-five million, one hundred ninety-eight thousand, two".