605505131 has 16 divisors (see below), whose sum is σ = 756034560. Its totient is φ = 471122880.

The previous prime is 605505101. The next prime is 605505149. The reversal of 605505131 is 131505506.

It is a cyclic number.

It is not a de Polignac number, because 605505131 - 2⁶ = 605505067 is a prime.

It is a super-2 number, since 2×605505131² = 733272927334654322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 605505131.

It is not an unprimeable number, because it can be changed into a prime (605505101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49895 + ... + 60831.

It is an arithmetic number, because the mean of its divisors is an integer number (47252160).

Almost surely, 2^605505131 is an apocalyptic number.

605505131 is a deficient number, since it is larger than the sum of its proper divisors (150529429).

605505131 is a wasteful number, since it uses less digits than its factorization.

605505131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11674.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 605505131 is about 24607.0138578414. The cubic root of 605505131 is about 846.0043755491.

The spelling of 605505131 in words is "six hundred five million, five hundred five thousand, one hundred thirty-one".