152630561 has 8 divisors (see below), whose sum is σ = 153690600. Its totient is φ = 151574400.

The previous prime is 152630557. The next prime is 152630563. The reversal of 152630561 is 165036251.

It can be written as a sum of positive squares in 4 ways, for example, as 36529936 + 116100625 = 6044^2 + 10775^2 .

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 152630561 - 2² = 152630557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152630563) 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, 137075 + ... + 138183.

It is an arithmetic number, because the mean of its divisors is an integer number (19211325).

Almost surely, 2^152630561 is an apocalyptic number.

It is an amenable number.

152630561 is a deficient number, since it is larger than the sum of its proper divisors (1060039).

152630561 is a wasteful number, since it uses less digits than its factorization.

152630561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 152630561 is about 12354.3741646431. The cubic root of 152630561 is about 534.4172896824.

The spelling of 152630561 in words is "one hundred fifty-two million, six hundred thirty thousand, five hundred sixty-one".