612321951 has 8 divisors (see below), whose sum is σ = 842765824. Its totient is φ = 395046360.

The previous prime is 612321937. The next prime is 612321967. The reversal of 612321951 is 159123216.

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

It is not a de Polignac number, because 612321951 - 2⁹ = 612321439 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 (612321971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3291961 + ... + 3292146.

It is an arithmetic number, because the mean of its divisors is an integer number (105345728).

Almost surely, 2^612321951 is an apocalyptic number.

612321951 is a deficient number, since it is larger than the sum of its proper divisors (230443873).

612321951 is a wasteful number, since it uses less digits than its factorization.

612321951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6584141.

The product of its digits is 3240, while the sum is 30.

The square root of 612321951 is about 24745.1399470684. The cubic root of 612321951 is about 849.1673280525.

The spelling of 612321951 in words is "six hundred twelve million, three hundred twenty-one thousand, nine hundred fifty-one".