5615257493 has 2 divisors, whose sum is σ = 5615257494. Its totient is φ = 5615257492.

The previous prime is 5615257481. The next prime is 5615257499. The reversal of 5615257493 is 3947525165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5440832644 + 174424849 = 73762^2 + 13207^2 .

It is a cyclic number.

It is not a de Polignac number, because 5615257493 - 2⁴ = 5615257477 is a prime.

It is a super-2 number, since 2×5615257493² = 63062233425385290098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5615257499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2807628746 + 2807628747.

It is an arithmetic number, because the mean of its divisors is an integer number (2807628747).

Almost surely, 2^5615257493 is an apocalyptic number.

It is an amenable number.

5615257493 is a deficient number, since it is larger than the sum of its proper divisors (1).

5615257493 is an equidigital number, since it uses as much as digits as its factorization.

5615257493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134000, while the sum is 47.

The square root of 5615257493 is about 74935.0218055617. The cubic root of 5615257493 is about 1777.4193016207.

The spelling of 5615257493 in words is "five billion, six hundred fifteen million, two hundred fifty-seven thousand, four hundred ninety-three".