612641371 has 2 divisors, whose sum is σ = 612641372. Its totient is φ = 612641370.

The previous prime is 612641369. The next prime is 612641383. The reversal of 612641371 is 173146216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 612641371 - 2¹ = 612641369 is a prime.

Together with 612641369, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (612644371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306320685 + 306320686.

It is an arithmetic number, because the mean of its divisors is an integer number (306320686).

Almost surely, 2^612641371 is an apocalyptic number.

612641371 is a deficient number, since it is larger than the sum of its proper divisors (1).

612641371 is an equidigital number, since it uses as much as digits as its factorization.

612641371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 612641371 is about 24751.5933022503. The cubic root of 612641371 is about 849.3149594723.

Adding to 612641371 its reverse (173146216), we get a palindrome (785787587).

The spelling of 612641371 in words is "six hundred twelve million, six hundred forty-one thousand, three hundred seventy-one".