100321465 has 16 divisors (see below), whose sum is σ = 123918480. Its totient is φ = 77921280.

The previous prime is 100321457. The next prime is 100321477. The reversal of 100321465 is 564123001.

It can be written as a sum of positive squares in 8 ways, for example, as 13682601 + 86638864 = 3699^2 + 9308^2 .

It is not a de Polignac number, because 100321465 - 2³ = 100321457 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, 45877 + ... + 48013.

It is an arithmetic number, because the mean of its divisors is an integer number (7744905).

Almost surely, 2^100321465 is an apocalyptic number.

It is an amenable number.

100321465 is a deficient number, since it is larger than the sum of its proper divisors (23597015).

100321465 is a wasteful number, since it uses less digits than its factorization.

100321465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 100321465 is about 10016.0603532527. The cubic root of 100321465 is about 464.6557208063.

Adding to 100321465 its reverse (564123001), we get a palindrome (664444466).

The spelling of 100321465 in words is "one hundred million, three hundred twenty-one thousand, four hundred sixty-five".