325749146 has 4 divisors (see below), whose sum is σ = 488623722. Its totient is φ = 162874572.

The previous prime is 325749133. The next prime is 325749173. The reversal of 325749146 is 641947523.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 164839921 + 160909225 = 12839^2 + 12685^2 .

It is a super-2 number, since 2×325749146² = 212225012239458632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81437285 + ... + 81437288.

Almost surely, 2^325749146 is an apocalyptic number.

325749146 is a deficient number, since it is larger than the sum of its proper divisors (162874576).

325749146 is a wasteful number, since it uses less digits than its factorization.

325749146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162874575.

The product of its digits is 181440, while the sum is 41.

The square root of 325749146 is about 18048.5219893486. The cubic root of 325749146 is about 688.0622985884.

The spelling of 325749146 in words is "three hundred twenty-five million, seven hundred forty-nine thousand, one hundred forty-six".