164713531 has 2 divisors, whose sum is σ = 164713532. Its totient is φ = 164713530.

The previous prime is 164713513. The next prime is 164713541. The reversal of 164713531 is 135317461.

164713531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (164713513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (135317461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164713531 - 2⁹ = 164713019 is a prime.

It is a super-2 number, since 2×164713531² = 54261094588975922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164713493 and 164713502.

It is not a weakly prime, because it can be changed into another prime (164713501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82356765 + 82356766.

It is an arithmetic number, because the mean of its divisors is an integer number (82356766).

Almost surely, 2^164713531 is an apocalyptic number.

164713531 is a deficient number, since it is larger than the sum of its proper divisors (1).

164713531 is an equidigital number, since it uses as much as digits as its factorization.

164713531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 31.

The square root of 164713531 is about 12834.0769438242. The cubic root of 164713531 is about 548.1630517614.

It can be divided in two parts, 16471 and 3531, that added together give a palindrome (20002).

The spelling of 164713531 in words is "one hundred sixty-four million, seven hundred thirteen thousand, five hundred thirty-one".