4135531 has 2 divisors, whose sum is σ = 4135532. Its totient is φ = 4135530.

The previous prime is 4135529. The next prime is 4135541. The reversal of 4135531 is 1355314.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4135531 - 2¹ = 4135529 is a prime.

It is a super-2 number, since 2×4135531² = 34205233303922, which contains 22 as substring.

Together with 4135529, 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 (4135541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2067765 + 2067766.

It is an arithmetic number, because the mean of its divisors is an integer number (2067766).

Almost surely, 2^4135531 is an apocalyptic number.

4135531 is a deficient number, since it is larger than the sum of its proper divisors (1).

4135531 is an equidigital number, since it uses as much as digits as its factorization.

4135531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 22.

The square root of 4135531 is about 2033.6005015735. The cubic root of 4135531 is about 160.5130794878.

The spelling of 4135531 in words is "four million, one hundred thirty-five thousand, five hundred thirty-one".