612051413 has 6 divisors (see below), whose sum is σ = 639819894. Its totient is φ = 585439976.

The previous prime is 612051397. The next prime is 612051431. The reversal of 612051413 is 314150216.

It can be written as a sum of positive squares in only one way, i.e., 360924004 + 251127409 = 18998^2 + 15847^2 .

It is not a de Polignac number, because 612051413 - 2⁴ = 612051397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612054413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 577970 + ... + 579027.

It is an arithmetic number, because the mean of its divisors is an integer number (106636649).

Almost surely, 2^612051413 is an apocalyptic number.

It is an amenable number.

612051413 is a deficient number, since it is larger than the sum of its proper divisors (27768481).

612051413 is a wasteful number, since it uses less digits than its factorization.

612051413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157043 (or 1157020 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 612051413 is about 24739.6728555573. The cubic root of 612051413 is about 849.0422490413.

The spelling of 612051413 in words is "six hundred twelve million, fifty-one thousand, four hundred thirteen".