325663503 has 16 divisors (see below), whose sum is σ = 474304896. Its totient is φ = 197116640.

The previous prime is 325663493. The next prime is 325663523. The reversal of 325663503 is 305366523.

It is a cyclic number.

It is not a de Polignac number, because 325663503 - 2⁴ = 325663487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325663523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21325 + ... + 33257.

It is an arithmetic number, because the mean of its divisors is an integer number (29644056).

Almost surely, 2^325663503 is an apocalyptic number.

325663503 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

325663503 is a deficient number, since it is larger than the sum of its proper divisors (148641393).

325663503 is a wasteful number, since it uses less digits than its factorization.

325663503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12774.

The product of its (nonzero) digits is 48600, while the sum is 33.

The square root of 325663503 is about 18046.1492568359. The cubic root of 325663503 is about 688.0019936113.

The spelling of 325663503 in words is "three hundred twenty-five million, six hundred sixty-three thousand, five hundred three".