25040998 has 4 divisors (see below), whose sum is σ = 37561500. Its totient is φ = 12520498.

The previous prime is 25040987. The next prime is 25041001. The reversal of 25040998 is 89904052.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6260248 + ... + 6260251.

It is an arithmetic number, because the mean of its divisors is an integer number (9390375).

Almost surely, 2^25040998 is an apocalyptic number.

25040998 is a deficient number, since it is larger than the sum of its proper divisors (12520502).

25040998 is a wasteful number, since it uses less digits than its factorization.

25040998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12520501.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 25040998 is about 5004.0981205408. The cubic root of 25040998 is about 292.5615250323.

The spelling of 25040998 in words is "twenty-five million, forty thousand, nine hundred ninety-eight".