671325369 has 16 divisors (see below), whose sum is σ = 1051587264. Its totient is φ = 375566400.

The previous prime is 671325341. The next prime is 671325419. The reversal of 671325369 is 963523176.

It is not a de Polignac number, because 671325369 - 2⁷ = 671325241 is a prime.

It is a super-2 number, since 2×671325369² = 901355502125972322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 671325369.

It is not an unprimeable number, because it can be changed into a prime (671325329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 782002 + ... + 782859.

It is an arithmetic number, because the mean of its divisors is an integer number (65724204).

Almost surely, 2^671325369 is an apocalyptic number.

It is an amenable number.

671325369 is a deficient number, since it is larger than the sum of its proper divisors (380261895).

671325369 is a wasteful number, since it uses less digits than its factorization.

671325369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564888.

The product of its digits is 204120, while the sum is 42.

The square root of 671325369 is about 25909.9472982868. The cubic root of 671325369 is about 875.6106187873.

The spelling of 671325369 in words is "six hundred seventy-one million, three hundred twenty-five thousand, three hundred sixty-nine".