614640506 has 4 divisors (see below), whose sum is σ = 921960762. Its totient is φ = 307320252.

The previous prime is 614640487. The next prime is 614640511. The reversal of 614640506 is 605046416.

614640506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 531994225 + 82646281 = 23065^2 + 9091^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153660125 + ... + 153660128.

Almost surely, 2^614640506 is an apocalyptic number.

614640506 is a deficient number, since it is larger than the sum of its proper divisors (307320256).

614640506 is a wasteful number, since it uses less digits than its factorization.

614640506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307320255.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 614640506 is about 24791.9443771561. The cubic root of 614640506 is about 850.2377678551.

The spelling of 614640506 in words is "six hundred fourteen million, six hundred forty thousand, five hundred six".