25403485083 has 4 divisors (see below), whose sum is σ = 33871313448. Its totient is φ = 16935656720.

The previous prime is 25403485061. The next prime is 25403485099. The reversal of 25403485083 is 38058430452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25403485083 - 2³³ = 16813550491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25403485043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4233914178 + ... + 4233914183.

It is an arithmetic number, because the mean of its divisors is an integer number (8467828362).

Almost surely, 2^25403485083 is an apocalyptic number.

25403485083 is a deficient number, since it is larger than the sum of its proper divisors (8467828365).

25403485083 is an equidigital number, since it uses as much as digits as its factorization.

25403485083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8467828364.

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 25403485083 in words is "twenty-five billion, four hundred three million, four hundred eighty-five thousand, eighty-three".