524664961 has 2 divisors, whose sum is σ = 524664962. Its totient is φ = 524664960.

The previous prime is 524664947. The next prime is 524664971. The reversal of 524664961 is 169466425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295324225 + 229340736 = 17185^2 + 15144^2 .

It is a cyclic number.

It is not a de Polignac number, because 524664961 - 2¹⁵ = 524632193 is a prime.

It is a super-2 number, since 2×524664961² = 550546642602263042, which contains 22 as substring.

It is equal to p_27584953 and since 524664961 and 27584953 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (524664941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262332480 + 262332481.

It is an arithmetic number, because the mean of its divisors is an integer number (262332481).

Almost surely, 2^524664961 is an apocalyptic number.

It is an amenable number.

524664961 is a deficient number, since it is larger than the sum of its proper divisors (1).

524664961 is an equidigital number, since it uses as much as digits as its factorization.

524664961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 43.

The square root of 524664961 is about 22905.5661575958. The cubic root of 524664961 is about 806.5426796628.

It can be divided in two parts, 524664 and 961, that added together give a square (525625 = 725²).

The spelling of 524664961 in words is "five hundred twenty-four million, six hundred sixty-four thousand, nine hundred sixty-one".