612303371 has 2 divisors, whose sum is σ = 612303372. Its totient is φ = 612303370.

The previous prime is 612303347. The next prime is 612303437. The reversal of 612303371 is 173303216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612303371 - 2²² = 608109067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 612303371.

It is not a weakly prime, because it can be changed into another prime (612303311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306151685 + 306151686.

It is an arithmetic number, because the mean of its divisors is an integer number (306151686).

Almost surely, 2^612303371 is an apocalyptic number.

612303371 is a deficient number, since it is larger than the sum of its proper divisors (1).

612303371 is an equidigital number, since it uses as much as digits as its factorization.

612303371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 612303371 is about 24744.7645169640. The cubic root of 612303371 is about 849.1587390586.

Adding to 612303371 its reverse (173303216), we get a palindrome (785606587).

The spelling of 612303371 in words is "six hundred twelve million, three hundred three thousand, three hundred seventy-one".