414540509 has 4 divisors (see below), whose sum is σ = 414595200. Its totient is φ = 414485820.

The previous prime is 414540493. The next prime is 414540521. The reversal of 414540509 is 905045414.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 414540509 - 2⁴ = 414540493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (414540559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13709 + ... + 31890.

It is an arithmetic number, because the mean of its divisors is an integer number (103648800).

Almost surely, 2^414540509 is an apocalyptic number.

It is an amenable number.

414540509 is a deficient number, since it is larger than the sum of its proper divisors (54691).

414540509 is an equidigital number, since it uses as much as digits as its factorization.

414540509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54690.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 414540509 is about 20360.2679009879. The cubic root of 414540509 is about 745.6282009757.

The spelling of 414540509 in words is "four hundred fourteen million, five hundred forty thousand, five hundred nine".