612412545 has 8 divisors (see below), whose sum is σ = 979860096. Its totient is φ = 326620016.

The previous prime is 612412529. The next prime is 612412583. The reversal of 612412545 is 545214216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612412545 - 2⁴ = 612412529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20413737 + ... + 20413766.

It is an arithmetic number, because the mean of its divisors is an integer number (122482512).

Almost surely, 2^612412545 is an apocalyptic number.

It is an amenable number.

612412545 is a deficient number, since it is larger than the sum of its proper divisors (367447551).

612412545 is a wasteful number, since it uses less digits than its factorization.

612412545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40827511.

The product of its digits is 9600, while the sum is 30.

The square root of 612412545 is about 24746.9704206394. The cubic root of 612412545 is about 849.2092045366.

The spelling of 612412545 in words is "six hundred twelve million, four hundred twelve thousand, five hundred forty-five".