253152561 has 16 divisors (see below), whose sum is σ = 358827840. Its totient is φ = 158299200.

The previous prime is 253152547. The next prime is 253152569. The reversal of 253152561 is 165251352.

It is a happy number.

It is not a de Polignac number, because 253152561 - 2¹³ = 253144369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253152569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16230 + ... + 27743.

It is an arithmetic number, because the mean of its divisors is an integer number (22426740).

Almost surely, 2^253152561 is an apocalyptic number.

It is an amenable number.

253152561 is a deficient number, since it is larger than the sum of its proper divisors (105675279).

253152561 is a wasteful number, since it uses less digits than its factorization.

253152561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44096.

The product of its digits is 9000, while the sum is 30.

The square root of 253152561 is about 15910.7687117876. The cubic root of 253152561 is about 632.5974570050.

The spelling of 253152561 in words is "two hundred fifty-three million, one hundred fifty-two thousand, five hundred sixty-one".