324627493 has 2 divisors, whose sum is σ = 324627494. Its totient is φ = 324627492.

The previous prime is 324627467. The next prime is 324627503. The reversal of 324627493 is 394726423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 310922689 + 13704804 = 17633^2 + 3702^2 .

It is a cyclic number.

It is not a de Polignac number, because 324627493 - 2²⁵ = 291073061 is a prime.

It is a super-2 number, since 2×324627493² = 210766018422930098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324637493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162313746 + 162313747.

It is an arithmetic number, because the mean of its divisors is an integer number (162313747).

Almost surely, 2^324627493 is an apocalyptic number.

It is an amenable number.

324627493 is a deficient number, since it is larger than the sum of its proper divisors (1).

324627493 is an equidigital number, since it uses as much as digits as its factorization.

324627493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 40.

The square root of 324627493 is about 18017.4219298988. The cubic root of 324627493 is about 687.2716547667.

The spelling of 324627493 in words is "three hundred twenty-four million, six hundred twenty-seven thousand, four hundred ninety-three".