25343503625 has 32 divisors (see below), whose sum is σ = 35617121280. Its totient is φ = 17837040000.

The previous prime is 25343503621. The next prime is 25343503643. The reversal of 25343503625 is 52630534352.

It is not a de Polignac number, because 25343503625 - 2² = 25343503621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25343503621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254660 + ... + 339909.

It is an arithmetic number, because the mean of its divisors is an integer number (1113035040).

Almost surely, 2^25343503625 is an apocalyptic number.

25343503625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25343503625 is a deficient number, since it is larger than the sum of its proper divisors (10273617655).

25343503625 is a wasteful number, since it uses less digits than its factorization.

25343503625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594626 (or 594616 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 38.

The spelling of 25343503625 in words is "twenty-five billion, three hundred forty-three million, five hundred three thousand, six hundred twenty-five".