2525252331 has 32 divisors (see below), whose sum is σ = 4036147200. Its totient is φ = 1374109056.

The previous prime is 2525252329. The next prime is 2525252371. The reversal of 2525252331 is 1332525252.

It is not a de Polignac number, because 2525252331 - 2¹ = 2525252329 is a prime.

It is a super-2 number, since 2×2525252331² = 12753798670441867122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2525252371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1945 + ... + 71093.

It is an arithmetic number, because the mean of its divisors is an integer number (126129600).

Almost surely, 2^2525252331 is an apocalyptic number.

2525252331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2525252331 is a deficient number, since it is larger than the sum of its proper divisors (1510894869).

2525252331 is a wasteful number, since it uses less digits than its factorization.

2525252331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69243.

The product of its digits is 18000, while the sum is 30.

The square root of 2525252331 is about 50251.8888301723. Note that the first 4 decimals coincide. The cubic root of 2525252331 is about 1361.7631994880.

Adding to 2525252331 its reverse (1332525252), we get a palindrome (3857777583).

The spelling of 2525252331 in words is "two billion, five hundred twenty-five million, two hundred fifty-two thousand, three hundred thirty-one".