325263553 has 4 divisors (see below), whose sum is σ = 325334448. Its totient is φ = 325192660.

The previous prime is 325263551. The next prime is 325263557. The reversal of 325263553 is 355362523.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 355362523 = 9283 ⋅38281.

It is a cyclic number.

It is not a de Polignac number, because 325263553 - 2¹ = 325263551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325263551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28051 + ... + 37912.

It is an arithmetic number, because the mean of its divisors is an integer number (81333612).

Almost surely, 2^325263553 is an apocalyptic number.

It is an amenable number.

325263553 is a deficient number, since it is larger than the sum of its proper divisors (70895).

325263553 is an equidigital number, since it uses as much as digits as its factorization.

325263553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70894.

The product of its digits is 81000, while the sum is 34.

The square root of 325263553 is about 18035.0645410545. The cubic root of 325263553 is about 687.7202312846.

The spelling of 325263553 in words is "three hundred twenty-five million, two hundred sixty-three thousand, five hundred fifty-three".