615325423 has 2 divisors, whose sum is σ = 615325424. Its totient is φ = 615325422.

The previous prime is 615325379. The next prime is 615325427. The reversal of 615325423 is 324523516.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 615325423 - 2²⁹ = 78454511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (615325427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307662711 + 307662712.

It is an arithmetic number, because the mean of its divisors is an integer number (307662712).

Almost surely, 2^615325423 is an apocalyptic number.

615325423 is a deficient number, since it is larger than the sum of its proper divisors (1).

615325423 is an equidigital number, since it uses as much as digits as its factorization.

615325423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 31.

The square root of 615325423 is about 24805.7538284971. The cubic root of 615325423 is about 850.5534679111.

Adding to 615325423 its reverse (324523516), we get a palindrome (939848939).

The spelling of 615325423 in words is "six hundred fifteen million, three hundred twenty-five thousand, four hundred twenty-three".