617452379 has 2 divisors, whose sum is σ = 617452380. Its totient is φ = 617452378.

The previous prime is 617452361. The next prime is 617452463. The reversal of 617452379 is 973254716.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 617452379 - 2⁸ = 617452123 is a prime.

It is not a weakly prime, because it can be changed into another prime (617452879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308726189 + 308726190.

It is an arithmetic number, because the mean of its divisors is an integer number (308726190).

Almost surely, 2^617452379 is an apocalyptic number.

617452379 is a deficient number, since it is larger than the sum of its proper divisors (1).

617452379 is an equidigital number, since it uses as much as digits as its factorization.

617452379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 44.

The square root of 617452379 is about 24848.5890746336. The cubic root of 617452379 is about 851.5323587945.

The spelling of 617452379 in words is "six hundred seventeen million, four hundred fifty-two thousand, three hundred seventy-nine".