252752669 has 8 divisors (see below), whose sum is σ = 273210840. Its totient is φ = 232439616.

The previous prime is 252752639. The next prime is 252752713. The reversal of 252752669 is 966257252.

252752669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8236900 + 244515769 = 2870^2 + 15637^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252752669 is a prime.

It is a super-2 number, since 2×252752669² = 127767823373247122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252752639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32642 + ... + 39635.

It is an arithmetic number, because the mean of its divisors is an integer number (34151355).

Almost surely, 2^252752669 is an apocalyptic number.

It is an amenable number.

252752669 is a deficient number, since it is larger than the sum of its proper divisors (20458171).

252752669 is a wasteful number, since it uses less digits than its factorization.

252752669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72559.

The product of its digits is 453600, while the sum is 44.

The square root of 252752669 is about 15898.1970361422. The cubic root of 252752669 is about 632.2641876386.

The spelling of 252752669 in words is "two hundred fifty-two million, seven hundred fifty-two thousand, six hundred sixty-nine".