252761233 has 4 divisors (see below), whose sum is σ = 253421568. Its totient is φ = 252100900.

The previous prime is 252761231. The next prime is 252761261. The reversal of 252761233 is 332167252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252761233 - 2¹ = 252761231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252761195 and 252761204.

It is not an unprimeable number, because it can be changed into a prime (252761231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329593 + ... + 330358.

It is an arithmetic number, because the mean of its divisors is an integer number (63355392).

Almost surely, 2^252761233 is an apocalyptic number.

It is an amenable number.

252761233 is a deficient number, since it is larger than the sum of its proper divisors (660335).

252761233 is an equidigital number, since it uses as much as digits as its factorization.

252761233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660334.

The product of its digits is 15120, while the sum is 31.

The square root of 252761233 is about 15898.4663725782. The cubic root of 252761233 is about 632.2713285448.

The spelling of 252761233 in words is "two hundred fifty-two million, seven hundred sixty-one thousand, two hundred thirty-three".