252525262525 has 12 divisors (see below), whose sum is σ = 313194981024. Its totient is φ = 201979142000.

The previous prime is 252525262447. The next prime is 252525262547. The reversal of 252525262525 is 525262525252.

It is not a de Polignac number, because 252525262525 - 2⁹ = 252525262013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 900961 + ... + 1147510.

It is an arithmetic number, because the mean of its divisors is an integer number (26099581752).

Almost surely, 2^252525262525 is an apocalyptic number.

252525262525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252525262525 is a deficient number, since it is larger than the sum of its proper divisors (60669718499).

252525262525 is a wasteful number, since it uses less digits than its factorization.

252525262525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053412 (or 2053407 counting only the distinct ones).

The product of its digits is 1200000, while the sum is 43.

Adding to 252525262525 its reverse (525262525252), we get a palindrome (777787787777).

The spelling of 252525262525 in words is "two hundred fifty-two billion, five hundred twenty-five million, two hundred sixty-two thousand, five hundred twenty-five".