612672551 has 8 divisors (see below), whose sum is σ = 647015040. Its totient is φ = 578972152.

The previous prime is 612672547. The next prime is 612672563. The reversal of 612672551 is 155276216.

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 612672551 - 2² = 612672547 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 (612672581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158561 + ... + 162378.

It is an arithmetic number, because the mean of its divisors is an integer number (80876880).

Almost surely, 2^612672551 is an apocalyptic number.

612672551 is a deficient number, since it is larger than the sum of its proper divisors (34342489).

612672551 is a wasteful number, since it uses less digits than its factorization.

612672551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321045.

The product of its digits is 25200, while the sum is 35.

The square root of 612672551 is about 24752.2231526786. The cubic root of 612672551 is about 849.3293676793.

The spelling of 612672551 in words is "six hundred twelve million, six hundred seventy-two thousand, five hundred fifty-one".