135052531 has 2 divisors, whose sum is σ = 135052532. Its totient is φ = 135052530.

The previous prime is 135052517. The next prime is 135052543. The reversal of 135052531 is 135250531.

135052531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135052531 - 2¹¹ = 135050483 is a prime.

It is a super-2 number, since 2×135052531² = 36478372259011922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135052496 and 135052505.

It is not a weakly prime, because it can be changed into another prime (135052501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67526265 + 67526266.

It is an arithmetic number, because the mean of its divisors is an integer number (67526266).

Almost surely, 2^135052531 is an apocalyptic number.

135052531 is a deficient number, since it is larger than the sum of its proper divisors (1).

135052531 is an equidigital number, since it uses as much as digits as its factorization.

135052531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 135052531 is about 11621.2103930701. The cubic root of 135052531 is about 513.0593137051.

The spelling of 135052531 in words is "one hundred thirty-five million, fifty-two thousand, five hundred thirty-one".