670253611 has 4 divisors (see below), whose sum is σ = 709680312. Its totient is φ = 630826912.

The previous prime is 670253579. The next prime is 670253627. The reversal of 670253611 is 116352076.

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

It is a cyclic number.

It is not a de Polignac number, because 670253611 - 2⁵ = 670253579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670253711) 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, 19713325 + ... + 19713358.

It is an arithmetic number, because the mean of its divisors is an integer number (177420078).

Almost surely, 2^670253611 is an apocalyptic number.

670253611 is a deficient number, since it is larger than the sum of its proper divisors (39426701).

670253611 is a wasteful number, since it uses less digits than its factorization.

670253611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39426700.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 670253611 is about 25889.2566714458. The cubic root of 670253611 is about 875.1444054457.

The spelling of 670253611 in words is "six hundred seventy million, two hundred fifty-three thousand, six hundred eleven".