232281572497 has 4 divisors (see below), whose sum is σ = 250149385780. Its totient is φ = 214413759216.

The previous prime is 232281572489. The next prime is 232281572503. The reversal of 232281572497 is 794275182232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85348116736 + 146933455761 = 292144^2 + 383319^2 .

It is a cyclic number.

It is not a de Polignac number, because 232281572497 - 2³ = 232281572489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232281572297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8933906622 + ... + 8933906647.

It is an arithmetic number, because the mean of its divisors is an integer number (62537346445).

Almost surely, 2^232281572497 is an apocalyptic number.

It is an amenable number.

232281572497 is a deficient number, since it is larger than the sum of its proper divisors (17867813283).

232281572497 is a wasteful number, since it uses less digits than its factorization.

232281572497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17867813282.

The product of its digits is 3386880, while the sum is 52.

The spelling of 232281572497 in words is "two hundred thirty-two billion, two hundred eighty-one million, five hundred seventy-two thousand, four hundred ninety-seven".