612854383 has 4 divisors (see below), whose sum is σ = 614673280. Its totient is φ = 611035488.

The previous prime is 612854381. The next prime is 612854387. The reversal of 612854383 is 383458216.

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 612854383 - 2¹ = 612854381 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 (612854381) 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, 908943 + ... + 909616.

It is an arithmetic number, because the mean of its divisors is an integer number (153668320).

Almost surely, 2^612854383 is an apocalyptic number.

612854383 is a deficient number, since it is larger than the sum of its proper divisors (1818897).

612854383 is a wasteful number, since it uses less digits than its factorization.

612854383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818896.

The product of its digits is 138240, while the sum is 40.

The square root of 612854383 is about 24755.8959240016. The cubic root of 612854383 is about 849.4133820966.

The spelling of 612854383 in words is "six hundred twelve million, eight hundred fifty-four thousand, three hundred eighty-three".