152352561 has 4 divisors (see below), whose sum is σ = 203136752. Its totient is φ = 101568372.

The previous prime is 152352547. The next prime is 152352601. The reversal of 152352561 is 165253251.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 152352561 - 2⁹ = 152352049 is a prime.

It is a super-2 number, since 2×152352561² = 46422605686517442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152351561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25392091 + ... + 25392096.

It is an arithmetic number, because the mean of its divisors is an integer number (50784188).

Almost surely, 2^152352561 is an apocalyptic number.

It is an amenable number.

152352561 is a deficient number, since it is larger than the sum of its proper divisors (50784191).

152352561 is an equidigital number, since it uses as much as digits as its factorization.

152352561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50784190.

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

The square root of 152352561 is about 12343.1179610340. The cubic root of 152352561 is about 534.0926314638.

The spelling of 152352561 in words is "one hundred fifty-two million, three hundred fifty-two thousand, five hundred sixty-one".