325661465 has 16 divisors (see below), whose sum is σ = 393724800. Its totient is φ = 258584832.

The previous prime is 325661459. The next prime is 325661477. The reversal of 325661465 is 564166523.

325661465 = T₆₅₈₂ + T₆₅₈₃ + ... + T₆₅₉₆.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 325661465 - 2¹⁰ = 325660441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751889 + ... + 752321.

It is an arithmetic number, because the mean of its divisors is an integer number (24607800).

Almost surely, 2^325661465 is an apocalyptic number.

It is an amenable number.

325661465 is a deficient number, since it is larger than the sum of its proper divisors (68063335).

325661465 is a wasteful number, since it uses less digits than its factorization.

325661465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216.

The product of its digits is 129600, while the sum is 38.

The square root of 325661465 is about 18046.0927904076. The cubic root of 325661465 is about 688.0005584377. Note that the first 3 decimals are identical.

The spelling of 325661465 in words is "three hundred twenty-five million, six hundred sixty-one thousand, four hundred sixty-five".