252380261 has 8 divisors (see below), whose sum is σ = 289633344. Its totient is φ = 215426880.

The previous prime is 252380251. The next prime is 252380267. The reversal of 252380261 is 162083252.

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

It is a cyclic number.

It is not a de Polignac number, because 252380261 - 2⁶ = 252380197 is a prime.

It is a super-2 number, since 2×252380261² = 127391592284856242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252380267) 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, 73115 + ... + 76488.

It is an arithmetic number, because the mean of its divisors is an integer number (36204168).

Almost surely, 2^252380261 is an apocalyptic number.

It is an amenable number.

252380261 is a deficient number, since it is larger than the sum of its proper divisors (37253083).

252380261 is a wasteful number, since it uses less digits than its factorization.

252380261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149851.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 252380261 is about 15886.4804472230. The cubic root of 252380261 is about 631.9535071351.

The spelling of 252380261 in words is "two hundred fifty-two million, three hundred eighty thousand, two hundred sixty-one".