252810747 has 24 divisors (see below), whose sum is σ = 435685200. Its totient is φ = 144462528.

The previous prime is 252810737. The next prime is 252810749. The reversal of 252810747 is 747018252.

It is not a de Polignac number, because 252810747 - 2⁷ = 252810619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252810749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94222 + ... + 96867.

It is an arithmetic number, because the mean of its divisors is an integer number (18153550).

Almost surely, 2^252810747 is an apocalyptic number.

252810747 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

252810747 is a deficient number, since it is larger than the sum of its proper divisors (182874453).

252810747 is a wasteful number, since it uses less digits than its factorization.

252810747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191112 (or 191099 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 252810747 is about 15900.0234905487. The cubic root of 252810747 is about 632.3126115615.

Adding to 252810747 its reverse (747018252), we get a palindrome (999828999).

The spelling of 252810747 in words is "two hundred fifty-two million, eight hundred ten thousand, seven hundred forty-seven".