1472963561 has 4 divisors (see below), whose sum is σ = 1473210324. Its totient is φ = 1472716800.

The previous prime is 1472963549. The next prime is 1472963603. The reversal of 1472963561 is 1653692741.

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 120121600 + 1352841961 = 10960^2 + 36781^2 .

It is a cyclic number.

It is not a de Polignac number, because 1472963561 - 2²² = 1468769257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1472963161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114200 + ... + 126441.

It is an arithmetic number, because the mean of its divisors is an integer number (368302581).

Almost surely, 2^1472963561 is an apocalyptic number.

It is an amenable number.

1472963561 is a deficient number, since it is larger than the sum of its proper divisors (246763).

1472963561 is an equidigital number, since it uses as much as digits as its factorization.

1472963561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246762.

The product of its digits is 272160, while the sum is 44.

The square root of 1472963561 is about 38379.2074045309. The cubic root of 1472963561 is about 1137.7949478840.

The spelling of 1472963561 in words is "one billion, four hundred seventy-two million, nine hundred sixty-three thousand, five hundred sixty-one".