601535131 has 2 divisors, whose sum is σ = 601535132. Its totient is φ = 601535130.

The previous prime is 601535071. The next prime is 601535147. The reversal of 601535131 is 131535106.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 601535131 - 2²³ = 593146523 is a prime.

It is a super-2 number, since 2×601535131² = 723689027654374322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 601535096 and 601535105.

It is not a weakly prime, because it can be changed into another prime (601535161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300767565 + 300767566.

It is an arithmetic number, because the mean of its divisors is an integer number (300767566).

Almost surely, 2^601535131 is an apocalyptic number.

601535131 is a deficient number, since it is larger than the sum of its proper divisors (1).

601535131 is an equidigital number, since it uses as much as digits as its factorization.

601535131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 601535131 is about 24526.2131402302. The cubic root of 601535131 is about 844.1513747153.

Subtracting from 601535131 its sum of digits (25), we obtain a palindrome (601535106).

The spelling of 601535131 in words is "six hundred one million, five hundred thirty-five thousand, one hundred thirty-one".