1472232561 has 4 divisors (see below), whose sum is σ = 1962976752. Its totient is φ = 981488372.

The previous prime is 1472232547. The next prime is 1472232583. The reversal of 1472232561 is 1652322741.

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 a cyclic number.

It is not a de Polignac number, because 1472232561 - 2¹⁷ = 1472101489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1472232511) 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, 245372091 + ... + 245372096.

It is an arithmetic number, because the mean of its divisors is an integer number (490744188).

Almost surely, 2^1472232561 is an apocalyptic number.

It is an amenable number.

1472232561 is a deficient number, since it is larger than the sum of its proper divisors (490744191).

1472232561 is an equidigital number, since it uses as much as digits as its factorization.

1472232561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490744190.

The product of its digits is 20160, while the sum is 33.

The square root of 1472232561 is about 38369.6828368440. The cubic root of 1472232561 is about 1137.6066957198.

The spelling of 1472232561 in words is "one billion, four hundred seventy-two million, two hundred thirty-two thousand, five hundred sixty-one".