25212068033 has 16 divisors (see below), whose sum is σ = 26872335360. Its totient is φ = 23602422096.

The previous prime is 25212068029. The next prime is 25212068039. The reversal of 25212068033 is 33086021252.

It is a cyclic number.

It is not a de Polignac number, because 25212068033 - 2² = 25212068029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25212068039) 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, 267116 + ... + 348962.

It is an arithmetic number, because the mean of its divisors is an integer number (1679520960).

Almost surely, 2^25212068033 is an apocalyptic number.

25212068033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25212068033 is a deficient number, since it is larger than the sum of its proper divisors (1660267327).

25212068033 is a wasteful number, since it uses less digits than its factorization.

25212068033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82156.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 25212068033 its reverse (33086021252), we get a palindrome (58298089285).

The spelling of 25212068033 in words is "twenty-five billion, two hundred twelve million, sixty-eight thousand, thirty-three".