504264661 has 2 divisors, whose sum is σ = 504264662. Its totient is φ = 504264660.

The previous prime is 504264599. The next prime is 504264667. The reversal of 504264661 is 166462405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504227025 + 37636 = 22455^2 + 194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504264661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504264667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252132330 + 252132331.

It is an arithmetic number, because the mean of its divisors is an integer number (252132331).

Almost surely, 2^504264661 is an apocalyptic number.

It is an amenable number.

504264661 is a deficient number, since it is larger than the sum of its proper divisors (1).

504264661 is an equidigital number, since it uses as much as digits as its factorization.

504264661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 504264661 is about 22455.8380159815. The cubic root of 504264661 is about 795.9507163119.

The spelling of 504264661 in words is "five hundred four million, two hundred sixty-four thousand, six hundred sixty-one".