612315051 has 8 divisors (see below), whose sum is σ = 816548304. Its totient is φ = 408145920.

The previous prime is 612315049. The next prime is 612315079. The reversal of 612315051 is 150513216.

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

It is not a de Polignac number, because 612315051 - 2¹ = 612315049 is a prime.

It is a super-2 number, since 2×612315051² = 749859443362265202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (612315001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14635 + ... + 37931.

It is an arithmetic number, because the mean of its divisors is an integer number (102068538).

Almost surely, 2^612315051 is an apocalyptic number.

612315051 is a deficient number, since it is larger than the sum of its proper divisors (204233253).

612315051 is a wasteful number, since it uses less digits than its factorization.

612315051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32061.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 612315051 is about 24745.0005253587. Note that the first 3 decimals coincide. The cubic root of 612315051 is about 849.1641384033.

Adding to 612315051 its reverse (150513216), we get a palindrome (762828267).

The spelling of 612315051 in words is "six hundred twelve million, three hundred fifteen thousand, fifty-one".