25213353015 has 8 divisors (see below), whose sum is σ = 40341364848. Its totient is φ = 13447121600.

The previous prime is 25213352999. The next prime is 25213353019. The reversal of 25213353015 is 51035331252.

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

It is not a de Polignac number, because 25213353015 - 2⁴ = 25213352999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25213353019) 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, 840445086 + ... + 840445115.

It is an arithmetic number, because the mean of its divisors is an integer number (5042670606).

Almost surely, 2^25213353015 is an apocalyptic number.

25213353015 is a deficient number, since it is larger than the sum of its proper divisors (15128011833).

25213353015 is a wasteful number, since it uses less digits than its factorization.

25213353015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680890209.

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 25213353015 its reverse (51035331252), we get a palindrome (76248684267).

The spelling of 25213353015 in words is "twenty-five billion, two hundred thirteen million, three hundred fifty-three thousand, fifteen".