25098530 has 16 divisors (see below), whose sum is σ = 46635264. Its totient is φ = 9715440.

The previous prime is 25098529. The next prime is 25098539. The reversal of 25098530 is 3589052.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25098539) 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, 40172 + ... + 40791.

It is an arithmetic number, because the mean of its divisors is an integer number (2914704).

Almost surely, 2^25098530 is an apocalyptic number.

25098530 is a deficient number, since it is larger than the sum of its proper divisors (21536734).

25098530 is a wasteful number, since it uses less digits than its factorization.

25098530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81001.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 25098530 is about 5009.8433109230. The cubic root of 25098530 is about 292.7854082255.

The spelling of 25098530 in words is "twenty-five million, ninety-eight thousand, five hundred thirty".