25335021265 has 8 divisors (see below), whose sum is σ = 30414587328. Its totient is φ = 20259642480.

The previous prime is 25335021223. The next prime is 25335021289. The reversal of 25335021265 is 56212053352.

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

It is not a de Polignac number, because 25335021265 - 2¹⁷ = 25334890193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25335021265.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033491 + ... + 1057720.

It is an arithmetic number, because the mean of its divisors is an integer number (3801823416).

Almost surely, 2^25335021265 is an apocalyptic number.

It is an amenable number.

25335021265 is a deficient number, since it is larger than the sum of its proper divisors (5079566063).

25335021265 is a wasteful number, since it uses less digits than its factorization.

25335021265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093639.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 25335021265 in words is "twenty-five billion, three hundred thirty-five million, twenty-one thousand, two hundred sixty-five".