605425631 has 2 divisors, whose sum is σ = 605425632. Its totient is φ = 605425630.

The previous prime is 605425621. The next prime is 605425649. The reversal of 605425631 is 136524506.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605425631 is a prime.

It is a super-2 number, since 2×605425631² = 733080389343496322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605425621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302712815 + 302712816.

It is an arithmetic number, because the mean of its divisors is an integer number (302712816).

Almost surely, 2^605425631 is an apocalyptic number.

605425631 is a deficient number, since it is larger than the sum of its proper divisors (1).

605425631 is an equidigital number, since it uses as much as digits as its factorization.

605425631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 605425631 is about 24605.3984117307. The cubic root of 605425631 is about 845.9673484521.

The spelling of 605425631 in words is "six hundred five million, four hundred twenty-five thousand, six hundred thirty-one".