571462961 has 4 divisors (see below), whose sum is σ = 585401124. Its totient is φ = 557524800.

The previous prime is 571462909. The next prime is 571462979. The reversal of 571462961 is 169264175.

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 197233936 + 374229025 = 14044^2 + 19345^2 .

It is a cyclic number.

It is not a de Polignac number, because 571462961 - 2¹⁰ = 571461937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 13938121 = 571462961 / (5 + 7 + 1 + 4 + 6 + 2 + 9 + 6 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (571462261) 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, 6969020 + ... + 6969101.

It is an arithmetic number, because the mean of its divisors is an integer number (146350281).

Almost surely, 2^571462961 is an apocalyptic number.

It is an amenable number.

571462961 is a deficient number, since it is larger than the sum of its proper divisors (13938163).

571462961 is a wasteful number, since it uses less digits than its factorization.

571462961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13938162.

The product of its digits is 90720, while the sum is 41.

The square root of 571462961 is about 23905.2914853595. The cubic root of 571462961 is about 829.8431798366.

The spelling of 571462961 in words is "five hundred seventy-one million, four hundred sixty-two thousand, nine hundred sixty-one".