325525399 has 2 divisors, whose sum is σ = 325525400. Its totient is φ = 325525398.

The previous prime is 325525397. The next prime is 325525411. The reversal of 325525399 is 993525523.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 325525399 - 2¹ = 325525397 is a prime.

Together with 325525397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325525393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162762699 + 162762700.

It is an arithmetic number, because the mean of its divisors is an integer number (162762700).

Almost surely, 2^325525399 is an apocalyptic number.

325525399 is a deficient number, since it is larger than the sum of its proper divisors (1).

325525399 is an equidigital number, since it uses as much as digits as its factorization.

325525399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 364500, while the sum is 43.

The square root of 325525399 is about 18042.3224391983. The cubic root of 325525399 is about 687.9047262778.

The spelling of 325525399 in words is "three hundred twenty-five million, five hundred twenty-five thousand, three hundred ninety-nine".