252980461 has 4 divisors (see below), whose sum is σ = 258363072. Its totient is φ = 247597852.

The previous prime is 252980447. The next prime is 252980467. The reversal of 252980461 is 164089252.

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 252980461 - 2⁷ = 252980333 is a prime.

It is a super-2 number, since 2×252980461² = 127998227295545042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252980461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252980467) 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, 2691235 + ... + 2691328.

It is an arithmetic number, because the mean of its divisors is an integer number (64590768).

Almost surely, 2^252980461 is an apocalyptic number.

It is an amenable number.

252980461 is a deficient number, since it is larger than the sum of its proper divisors (5382611).

252980461 is an equidigital number, since it uses as much as digits as its factorization.

252980461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5382610.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 252980461 is about 15905.3595055252. The cubic root of 252980461 is about 632.4540721857.

The spelling of 252980461 in words is "two hundred fifty-two million, nine hundred eighty thousand, four hundred sixty-one".