252063761 has 4 divisors (see below), whose sum is σ = 252475572. Its totient is φ = 251651952.

The previous prime is 252063733. The next prime is 252063767. The reversal of 252063761 is 167360252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79299025 + 172764736 = 8905^2 + 13144^2 .

It is a cyclic number.

It is not a de Polignac number, because 252063761 - 2¹⁰ = 252062737 is a prime.

It is a super-2 number, since 2×252063761² = 127072279218930242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252063767) 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, 204986 + ... + 206211.

It is an arithmetic number, because the mean of its divisors is an integer number (63118893).

Almost surely, 2^252063761 is an apocalyptic number.

It is an amenable number.

252063761 is a deficient number, since it is larger than the sum of its proper divisors (411811).

252063761 is an equidigital number, since it uses as much as digits as its factorization.

252063761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411810.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 252063761 is about 15876.5160221001. The cubic root of 252063761 is about 631.6892274167.

The spelling of 252063761 in words is "two hundred fifty-two million, sixty-three thousand, seven hundred sixty-one".