25314512453 has 16 divisors (see below), whose sum is σ = 26027855280. Its totient is φ = 24605952000.

The previous prime is 25314512449. The next prime is 25314512501. The reversal of 25314512453 is 35421541352.

It can be written as a sum of positive squares in 8 ways, for example, as 109139809 + 25205372644 = 10447^2 + 158762^2 .

It is a cyclic number.

It is not a de Polignac number, because 25314512453 - 2² = 25314512449 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 (25314512653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19638233 + ... + 19639521.

It is an arithmetic number, because the mean of its divisors is an integer number (1626740955).

Almost surely, 2^25314512453 is an apocalyptic number.

It is an amenable number.

25314512453 is a deficient number, since it is larger than the sum of its proper divisors (713342827).

25314512453 is a wasteful number, since it uses less digits than its factorization.

25314512453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728.

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

The spelling of 25314512453 in words is "twenty-five billion, three hundred fourteen million, five hundred twelve thousand, four hundred fifty-three".