374512609 has 4 divisors (see below), whose sum is σ = 376473600. Its totient is φ = 372551620.

The previous prime is 374512603. The next prime is 374512613. The reversal of 374512609 is 906215473.

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, and also an emirpimes, since its reverse is a distinct semiprime: 906215473 = 2819 ⋅321467.

It is a cyclic number.

It is not a de Polignac number, because 374512609 - 2¹⁵ = 374479841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (374512603) 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, 980209 + ... + 980590.

It is an arithmetic number, because the mean of its divisors is an integer number (94118400).

Almost surely, 2^374512609 is an apocalyptic number.

It is an amenable number.

374512609 is a deficient number, since it is larger than the sum of its proper divisors (1960991).

374512609 is a wasteful number, since it uses less digits than its factorization.

374512609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960990.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 374512609 is about 19352.3282578609. The cubic root of 374512609 is about 720.8122321673.

The spelling of 374512609 in words is "three hundred seventy-four million, five hundred twelve thousand, six hundred nine".