562857961 has 2 divisors, whose sum is σ = 562857962. Its totient is φ = 562857960.

The previous prime is 562857931. The next prime is 562858027. The reversal of 562857961 is 169758265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331240000 + 231617961 = 18200^2 + 15219^2 .

It is a cyclic number.

It is not a de Polignac number, because 562857961 - 2⁵ = 562857929 is a prime.

It is a super-2 number, since 2×562857961² = 633618168522155042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (562857931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281428980 + 281428981.

It is an arithmetic number, because the mean of its divisors is an integer number (281428981).

Almost surely, 2^562857961 is an apocalyptic number.

It is an amenable number.

562857961 is a deficient number, since it is larger than the sum of its proper divisors (1).

562857961 is an equidigital number, since it uses as much as digits as its factorization.

562857961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 49.

The square root of 562857961 is about 23724.6277315367. The cubic root of 562857961 is about 825.6568804525.

It can be divided in two parts, 56285 and 7961, that added together give a palindrome (64246).

The spelling of 562857961 in words is "five hundred sixty-two million, eight hundred fifty-seven thousand, nine hundred sixty-one".