25625498 has 4 divisors (see below), whose sum is σ = 38438250. Its totient is φ = 12812748.

The previous prime is 25625491. The next prime is 25625513. The reversal of 25625498 is 89452652.

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

It can be written as a sum of positive squares in only one way, i.e., 15784729 + 9840769 = 3973^2 + 3137^2 .

It is a super-2 number, since 2×25625498² = 1313332295496008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25625491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6406373 + ... + 6406376.

Almost surely, 2^25625498 is an apocalyptic number.

25625498 is a deficient number, since it is larger than the sum of its proper divisors (12812752).

25625498 is a wasteful number, since it uses less digits than its factorization.

25625498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12812751.

The product of its digits is 172800, while the sum is 41.

The square root of 25625498 is about 5062.1633715241. The cubic root of 25625498 is about 294.8203368343.

The spelling of 25625498 in words is "twenty-five million, six hundred twenty-five thousand, four hundred ninety-eight".