325134991 has 2 divisors, whose sum is σ = 325134992. Its totient is φ = 325134990.

The previous prime is 325134949. The next prime is 325135009. The reversal of 325134991 is 199431523.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 325134991 - 2¹³ = 325126799 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 325134991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325131991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162567495 + 162567496.

It is an arithmetic number, because the mean of its divisors is an integer number (162567496).

Almost surely, 2^325134991 is an apocalyptic number.

325134991 is a deficient number, since it is larger than the sum of its proper divisors (1).

325134991 is an equidigital number, since it uses as much as digits as its factorization.

325134991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 37.

The square root of 325134991 is about 18031.4999653384. The cubic root of 325134991 is about 687.6296110897.

The spelling of 325134991 in words is "three hundred twenty-five million, one hundred thirty-four thousand, nine hundred ninety-one".