504126641 has 2 divisors, whose sum is σ = 504126642. Its totient is φ = 504126640.

The previous prime is 504126589. The next prime is 504126643. The reversal of 504126641 is 146621405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 397603600 + 106523041 = 19940^2 + 10321^2 .

It is a cyclic number.

It is not a de Polignac number, because 504126641 - 2²² = 499932337 is a prime.

Together with 504126643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (504126643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252063320 + 252063321.

It is an arithmetic number, because the mean of its divisors is an integer number (252063321).

Almost surely, 2^504126641 is an apocalyptic number.

It is an amenable number.

504126641 is a deficient number, since it is larger than the sum of its proper divisors (1).

504126641 is an equidigital number, since it uses as much as digits as its factorization.

504126641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 504126641 is about 22452.7646627314. The cubic root of 504126641 is about 795.8780909951.

The spelling of 504126641 in words is "five hundred four million, one hundred twenty-six thousand, six hundred forty-one".