164252537 has 2 divisors, whose sum is σ = 164252538. Its totient is φ = 164252536.

The previous prime is 164252531. The next prime is 164252593. The reversal of 164252537 is 735252461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155276521 + 8976016 = 12461^2 + 2996^2 .

It is a cyclic number.

It is not a de Polignac number, because 164252537 - 2⁸ = 164252281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164252497 and 164252506.

It is not a weakly prime, because it can be changed into another prime (164252531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82126268 + 82126269.

It is an arithmetic number, because the mean of its divisors is an integer number (82126269).

Almost surely, 2^164252537 is an apocalyptic number.

It is an amenable number.

164252537 is a deficient number, since it is larger than the sum of its proper divisors (1).

164252537 is an equidigital number, since it uses as much as digits as its factorization.

164252537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 35.

The square root of 164252537 is about 12816.1045953909. The cubic root of 164252537 is about 547.6511812580.

The spelling of 164252537 in words is "one hundred sixty-four million, two hundred fifty-two thousand, five hundred thirty-seven".