25052430450 has 48 divisors (see below), whose sum is σ = 62193090816. Its totient is φ = 6673867200.

The previous prime is 25052430401. The next prime is 25052430499. The reversal of 25052430450 is 5403425052.

It is an interprime number because it is at equal distance from previous prime (25052430401) and next prime (25052430499).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 64384 + ... + 232916.

It is an arithmetic number, because the mean of its divisors is an integer number (1295689392).

Almost surely, 2^25052430450 is an apocalyptic number.

25052430450 is an abundant number, since it is smaller than the sum of its proper divisors (37140660366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25052430450 is a wasteful number, since it uses less digits than its factorization.

25052430450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169539 (or 169534 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 25052430450 in words is "twenty-five billion, fifty-two million, four hundred thirty thousand, four hundred fifty".