5615257498 has 4 divisors (see below), whose sum is σ = 8422886250. Its totient is φ = 2807628748.

The previous prime is 5615257493. The next prime is 5615257499. The reversal of 5615257498 is 8947525165.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5284272249 + 330985249 = 72693^2 + 18193^2 .

It is a super-2 number, since 2×5615257498² = 63062233537690440008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5615257493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1403814373 + ... + 1403814376.

Almost surely, 2^5615257498 is an apocalyptic number.

5615257498 is a deficient number, since it is larger than the sum of its proper divisors (2807628752).

5615257498 is a wasteful number, since it uses less digits than its factorization.

5615257498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807628751.

The product of its digits is 3024000, while the sum is 52.

The square root of 5615257498 is about 74935.0218389239. The cubic root of 5615257498 is about 1777.4193021483.

The spelling of 5615257498 in words is "five billion, six hundred fifteen million, two hundred fifty-seven thousand, four hundred ninety-eight".