325401511 has 16 divisors (see below), whose sum is σ = 341371008. Its totient is φ = 309909600.

The previous prime is 325401469. The next prime is 325401521. The reversal of 325401511 is 115104523.

It is a happy number.

It is not a de Polignac number, because 325401511 - 2⁷ = 325401383 is a prime.

It is a super-2 number, since 2×325401511² = 211772286722166242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325401521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343140 + ... + 344086.

It is an arithmetic number, because the mean of its divisors is an integer number (21335688).

Almost surely, 2^325401511 is an apocalyptic number.

325401511 is a deficient number, since it is larger than the sum of its proper divisors (15969497).

325401511 is a wasteful number, since it uses less digits than its factorization.

325401511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 325401511 is about 18038.8888515895. Note that the first 4 decimals coincide. The cubic root of 325401511 is about 687.8174479327.

The spelling of 325401511 in words is "three hundred twenty-five million, four hundred one thousand, five hundred eleven".