613022563 has 2 divisors, whose sum is σ = 613022564. Its totient is φ = 613022562.

The previous prime is 613022521. The next prime is 613022609. The reversal of 613022563 is 365220316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 613022563 - 2¹³ = 613014371 is a prime.

It is not a weakly prime, because it can be changed into another prime (613022863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306511281 + 306511282.

It is an arithmetic number, because the mean of its divisors is an integer number (306511282).

Almost surely, 2^613022563 is an apocalyptic number.

613022563 is a deficient number, since it is larger than the sum of its proper divisors (1).

613022563 is an equidigital number, since it uses as much as digits as its factorization.

613022563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 613022563 is about 24759.2924575804. The cubic root of 613022563 is about 849.4910738948.

Adding to 613022563 its reverse (365220316), we get a palindrome (978242879).

The spelling of 613022563 in words is "six hundred thirteen million, twenty-two thousand, five hundred sixty-three".