252270549 has 6 divisors (see below), whose sum is σ = 364390806. Its totient is φ = 168180360.

The previous prime is 252270547. The next prime is 252270569. The reversal of 252270549 is 945072252.

It is a happy number.

252270549 is a `hidden beast` number, since 25 + 22 + 70 + 549 = 666.

It can be written as a sum of positive squares in only one way, i.e., 245141649 + 7128900 = 15657^2 + 2670^2 .

It is not a de Polignac number, because 252270549 - 2¹ = 252270547 is a prime.

It is a super-2 number, since 2×252270549² = 127280859785522802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252270547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14015022 + ... + 14015039.

It is an arithmetic number, because the mean of its divisors is an integer number (60731801).

Almost surely, 2^252270549 is an apocalyptic number.

It is an amenable number.

252270549 is a deficient number, since it is larger than the sum of its proper divisors (112120257).

252270549 is a wasteful number, since it uses less digits than its factorization.

252270549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28030067 (or 28030064 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 252270549 is about 15883.0270729480. The cubic root of 252270549 is about 631.8619218794.

The spelling of 252270549 in words is "two hundred fifty-two million, two hundred seventy thousand, five hundred forty-nine".