25314513245 has 16 divisors (see below), whose sum is σ = 35060784768. Its totient is φ = 17186654400.

The previous prime is 25314513241. The next prime is 25314513251. The reversal of 25314513245 is 54231541352.

It is not a de Polignac number, because 25314513245 - 2² = 25314513241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25314513241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3577019 + ... + 3584088.

It is an arithmetic number, because the mean of its divisors is an integer number (2191299048).

Almost surely, 2^25314513245 is an apocalyptic number.

It is an amenable number.

25314513245 is a deficient number, since it is larger than the sum of its proper divisors (9746271523).

25314513245 is a wasteful number, since it uses less digits than its factorization.

25314513245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7161220.

The product of its digits is 72000, while the sum is 35.

The spelling of 25314513245 in words is "twenty-five billion, three hundred fourteen million, five hundred thirteen thousand, two hundred forty-five".