504152261 has 2 divisors, whose sum is σ = 504152262. Its totient is φ = 504152260.

The previous prime is 504152239. The next prime is 504152263. The reversal of 504152261 is 162251405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493950625 + 10201636 = 22225^2 + 3194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504152261 is a prime.

Together with 504152263, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 504152261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (504152263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252076130 + 252076131.

It is an arithmetic number, because the mean of its divisors is an integer number (252076131).

Almost surely, 2^504152261 is an apocalyptic number.

It is an amenable number.

504152261 is a deficient number, since it is larger than the sum of its proper divisors (1).

504152261 is an equidigital number, since it uses as much as digits as its factorization.

504152261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 504152261 is about 22453.3351865597. The cubic root of 504152261 is about 795.8915730911.

The spelling of 504152261 in words is "five hundred four million, one hundred fifty-two thousand, two hundred sixty-one".