3198523 has 2 divisors, whose sum is σ = 3198524. Its totient is φ = 3198522.

The previous prime is 3198511. The next prime is 3198553. The reversal of 3198523 is 3258913.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3198523 - 2⁹ = 3198011 is a prime.

It is not a weakly prime, because it can be changed into another prime (3198553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1599261 + 1599262.

It is an arithmetic number, because the mean of its divisors is an integer number (1599262).

Almost surely, 2^3198523 is an apocalyptic number.

3198523 is a deficient number, since it is larger than the sum of its proper divisors (1).

3198523 is an equidigital number, since it uses as much as digits as its factorization.

3198523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 3198523 is about 1788.4415003013. The cubic root of 3198523 is about 147.3385843127.

It can be divided in two parts, 3198 and 523, that added together give a square (3721 = 61²).

The spelling of 3198523 in words is "three million, one hundred ninety-eight thousand, five hundred twenty-three".