153132561 has 6 divisors (see below), whose sum is σ = 221191490. Its totient is φ = 102088368.

The previous prime is 153132559. The next prime is 153132601. The reversal of 153132561 is 165231351.

It can be written as a sum of positive squares in only one way, i.e., 140280336 + 12852225 = 11844^2 + 3585^2 .

It is not a de Polignac number, because 153132561 - 2¹ = 153132559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153132361) 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, 8507356 + ... + 8507373.

Almost surely, 2^153132561 is an apocalyptic number.

It is an amenable number.

153132561 is a deficient number, since it is larger than the sum of its proper divisors (68058929).

153132561 is a wasteful number, since it uses less digits than its factorization.

153132561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17014735 (or 17014732 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 153132561 is about 12374.6741775289. The cubic root of 153132561 is about 535.0025457706.

The spelling of 153132561 in words is "one hundred fifty-three million, one hundred thirty-two thousand, five hundred sixty-one".