252709833 has 4 divisors (see below), whose sum is σ = 336946448. Its totient is φ = 168473220.

The previous prime is 252709829. The next prime is 252709841. The reversal of 252709833 is 338907252.

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 not a de Polignac number, because 252709833 - 2² = 252709829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252709791 and 252709800.

It is not an unprimeable number, because it can be changed into a prime (252709333) 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, 42118303 + ... + 42118308.

It is an arithmetic number, because the mean of its divisors is an integer number (84236612).

Almost surely, 2^252709833 is an apocalyptic number.

It is an amenable number.

252709833 is a deficient number, since it is larger than the sum of its proper divisors (84236615).

252709833 is an equidigital number, since it uses as much as digits as its factorization.

252709833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84236614.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 252709833 is about 15896.8497822682. The cubic root of 252709833 is about 632.2284673446.

The spelling of 252709833 in words is "two hundred fifty-two million, seven hundred nine thousand, eight hundred thirty-three".