25276401265 has 8 divisors (see below), whose sum is σ = 30697123968. Its totient is φ = 19977492720.

The previous prime is 25276401263. The next prime is 25276401343. The reversal of 25276401265 is 56210467252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25276401265 - 2¹ = 25276401263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25276401263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30453081 + ... + 30453910.

It is an arithmetic number, because the mean of its divisors is an integer number (3837140496).

Almost surely, 2^25276401265 is an apocalyptic number.

It is an amenable number.

25276401265 is a deficient number, since it is larger than the sum of its proper divisors (5420722703).

25276401265 is an equidigital number, since it uses as much as digits as its factorization.

25276401265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60907079.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 25276401265 in words is "twenty-five billion, two hundred seventy-six million, four hundred one thousand, two hundred sixty-five".