25277789325 has 24 divisors (see below), whose sum is σ = 41800449600. Its totient is φ = 13478959360.

The previous prime is 25277789323. The next prime is 25277789347. The reversal of 25277789325 is 52398777252.

It is not a de Polignac number, because 25277789325 - 2¹ = 25277789323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25277789323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 412261 + ... + 469589.

It is an arithmetic number, because the mean of its divisors is an integer number (1741685400).

Almost surely, 2^25277789325 is an apocalyptic number.

25277789325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25277789325 is a deficient number, since it is larger than the sum of its proper divisors (16522660275).

25277789325 is a wasteful number, since it uses less digits than its factorization.

25277789325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63221 (or 63216 counting only the distinct ones).

The product of its digits is 14817600, while the sum is 57.

The spelling of 25277789325 in words is "twenty-five billion, two hundred seventy-seven million, seven hundred eighty-nine thousand, three hundred twenty-five".