252801425 has 6 divisors (see below), whose sum is σ = 313473798. Its totient is φ = 202241120.

The previous prime is 252801413. The next prime is 252801473. The reversal of 252801425 is 524108252.

It can be written as a sum of positive squares in 3 ways, for example, as 20757136 + 232044289 = 4556^2 + 15233^2 .

It is a de Polignac number, because none of the positive numbers 2^k-252801425 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5056004 + ... + 5056053.

It is an arithmetic number, because the mean of its divisors is an integer number (52245633).

Almost surely, 2^252801425 is an apocalyptic number.

252801425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252801425 is a deficient number, since it is larger than the sum of its proper divisors (60672373).

252801425 is a wasteful number, since it uses less digits than its factorization.

252801425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10112067 (or 10112062 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 252801425 is about 15899.7303436253. The cubic root of 252801425 is about 632.3048396205.

Adding to 252801425 its reverse (524108252), we get a palindrome (776909677).

The spelling of 252801425 in words is "two hundred fifty-two million, eight hundred one thousand, four hundred twenty-five".