25241530425 has 24 divisors (see below), whose sum is σ = 42860578176. Its totient is φ = 13098306240.

The previous prime is 25241530399. The next prime is 25241530439. The reversal of 25241530425 is 52403514252.

It is a happy number.

It is not a de Polignac number, because 25241530425 - 2⁵ = 25241530393 is a prime.

It is a Curzon number.

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, 4545249 + ... + 4550798.

It is an arithmetic number, because the mean of its divisors is an integer number (1785857424).

Almost surely, 2^25241530425 is an apocalyptic number.

25241530425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25241530425 is a deficient number, since it is larger than the sum of its proper divisors (17619047751).

25241530425 is a wasteful number, since it uses less digits than its factorization.

25241530425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9096097 (or 9096092 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 25241530425 in words is "twenty-five billion, two hundred forty-one million, five hundred thirty thousand, four hundred twenty-five".