252660141 has 20 divisors (see below), whose sum is σ = 378065952. Its totient is φ = 168156648.

The previous prime is 252660139. The next prime is 252660179. The reversal of 252660141 is 141066252.

252660141 is a `hidden beast` number, since 2 + 52 + 6 + 601 + 4 + 1 = 666.

It is not a de Polignac number, because 252660141 - 2¹ = 252660139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252660101) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53040 + ... + 57606.

Almost surely, 2^252660141 is an apocalyptic number.

It is an amenable number.

252660141 is a deficient number, since it is larger than the sum of its proper divisors (125405811).

252660141 is an equidigital number, since it uses as much as digits as its factorization.

252660141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262 (or 5253 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 252660141 is about 15895.2867542552. The cubic root of 252660141 is about 632.1870248780.

The spelling of 252660141 in words is "two hundred fifty-two million, six hundred sixty thousand, one hundred forty-one".