500420025697 has 2 divisors, whose sum is σ = 500420025698. Its totient is φ = 500420025696.

The previous prime is 500420025647. The next prime is 500420025713. The reversal of 500420025697 is 796520024005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 487973499601 + 12446526096 = 698551^2 + 111564^2 .

It is a cyclic number.

It is not a de Polignac number, because 500420025697 - 2¹⁵ = 500419992929 is a prime.

It is a super-2 number, since 2×500420025697² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (500420025647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250210012848 + 250210012849.

It is an arithmetic number, because the mean of its divisors is an integer number (250210012849).

Almost surely, 2^500420025697 is an apocalyptic number.

It is an amenable number.

500420025697 is a deficient number, since it is larger than the sum of its proper divisors (1).

500420025697 is an equidigital number, since it uses as much as digits as its factorization.

500420025697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 500420025697 in words is "five hundred billion, four hundred twenty million, twenty-five thousand, six hundred ninety-seven".