25232730773 has 4 divisors (see below), whose sum is σ = 26329806048. Its totient is φ = 24135655500.

The previous prime is 25232730769. The next prime is 25232730791. The reversal of 25232730773 is 37703723252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25232730773 - 2² = 25232730769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25232730773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25232730793) 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, 548537603 + ... + 548537648.

It is an arithmetic number, because the mean of its divisors is an integer number (6582451512).

Almost surely, 2^25232730773 is an apocalyptic number.

25232730773 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25232730773 is a deficient number, since it is larger than the sum of its proper divisors (1097075275).

25232730773 is a wasteful number, since it uses less digits than its factorization.

25232730773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097075274.

The product of its (nonzero) digits is 370440, while the sum is 41.

The spelling of 25232730773 in words is "twenty-five billion, two hundred thirty-two million, seven hundred thirty thousand, seven hundred seventy-three".