25045396903 has 4 divisors (see below), whose sum is σ = 25722299560. Its totient is φ = 24368494248.

The previous prime is 25045396889. The next prime is 25045396919. The reversal of 25045396903 is 30969354052.

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 25045396903 - 2²⁹ = 24508525991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25045396603) 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, 338451273 + ... + 338451346.

It is an arithmetic number, because the mean of its divisors is an integer number (6430574890).

Almost surely, 2^25045396903 is an apocalyptic number.

25045396903 is a deficient number, since it is larger than the sum of its proper divisors (676902657).

25045396903 is an equidigital number, since it uses as much as digits as its factorization.

25045396903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676902656.

The product of its (nonzero) digits is 874800, while the sum is 46.

The spelling of 25045396903 in words is "twenty-five billion, forty-five million, three hundred ninety-six thousand, nine hundred three".