325136507 has 2 divisors, whose sum is σ = 325136508. Its totient is φ = 325136506.

The previous prime is 325136479. The next prime is 325136521. The reversal of 325136507 is 705631523.

It is a strong prime.

It is an emirp because it is prime and its reverse (705631523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 325136507 - 2⁶ = 325136443 is a prime.

It is a super-2 number, since 2×325136507² = 211427496368322098, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (325136557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162568253 + 162568254.

It is an arithmetic number, because the mean of its divisors is an integer number (162568254).

Almost surely, 2^325136507 is an apocalyptic number.

325136507 is a deficient number, since it is larger than the sum of its proper divisors (1).

325136507 is an equidigital number, since it uses as much as digits as its factorization.

325136507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 325136507 is about 18031.5420028349. The cubic root of 325136507 is about 687.6306798200.

The spelling of 325136507 in words is "three hundred twenty-five million, one hundred thirty-six thousand, five hundred seven".