514091409 has 16 divisors (see below), whose sum is σ = 742560000. Its totient is φ = 316359888.

The previous prime is 514091399. The next prime is 514091411. The reversal of 514091409 is 904190415.

It is not a de Polignac number, because 514091409 - 2¹⁵ = 514058641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 514091409.

It is not an unprimeable number, because it can be changed into a prime (514091419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32409 + ... + 45590.

It is an arithmetic number, because the mean of its divisors is an integer number (46410000).

Almost surely, 2^514091409 is an apocalyptic number.

It is an amenable number.

514091409 is a deficient number, since it is larger than the sum of its proper divisors (228468591).

514091409 is an equidigital number, since it uses as much as digits as its factorization.

514091409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78041 (or 78015 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 514091409 is about 22673.5839469635. The cubic root of 514091409 is about 801.0877957260.

The spelling of 514091409 in words is "five hundred fourteen million, ninety-one thousand, four hundred nine".