25245454330 has 8 divisors (see below), whose sum is σ = 45441817812. Its totient is φ = 10098181728.

The previous prime is 25245454321. The next prime is 25245454379. The reversal of 25245454330 is 3345454252.

It can be written as a sum of positive squares in 2 ways, for example, as 23787818289 + 1457636041 = 154233^2 + 38179^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 25245454330.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262272707 + ... + 1262272726.

Almost surely, 2^25245454330 is an apocalyptic number.

25245454330 is a deficient number, since it is larger than the sum of its proper divisors (20196363482).

25245454330 is a wasteful number, since it uses less digits than its factorization.

25245454330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524545440.

The product of its (nonzero) digits is 288000, while the sum is 37.

The spelling of 25245454330 in words is "twenty-five billion, two hundred forty-five million, four hundred fifty-four thousand, three hundred thirty".