612315001 has 2 divisors, whose sum is σ = 612315002. Its totient is φ = 612315000.

The previous prime is 612314999. The next prime is 612315029. The reversal of 612315001 is 100513216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 579653776 + 32661225 = 24076^2 + 5715^2 .

It is a cyclic number.

It is not a de Polignac number, because 612315001 - 2¹ = 612314999 is a prime.

Together with 612314999, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 612315001.

It is not a weakly prime, because it can be changed into another prime (612315031) 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 as a sum of consecutive naturals, namely, 306157500 + 306157501.

It is an arithmetic number, because the mean of its divisors is an integer number (306157501).

Almost surely, 2^612315001 is an apocalyptic number.

It is an amenable number.

612315001 is a deficient number, since it is larger than the sum of its proper divisors (1).

612315001 is an equidigital number, since it uses as much as digits as its factorization.

612315001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 612315001 is about 24744.9995150535. Note that the first 3 decimals coincide. The cubic root of 612315001 is about 849.1641152899.

Adding to 612315001 its reverse (100513216), we get a palindrome (712828217).

The spelling of 612315001 in words is "six hundred twelve million, three hundred fifteen thousand, one".