613988514 has 12 divisors (see below), whose sum is σ = 1330308486. Its totient is φ = 204662832.

The previous prime is 613988513. The next prime is 613988527. The reversal of 613988514 is 415889316.

It can be written as a sum of positive squares in only one way, i.e., 549105489 + 64883025 = 23433^2 + 8055^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 613988514.

It is not an unprimeable number, because it can be changed into a prime (613988513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17055219 + ... + 17055254.

Almost surely, 2^613988514 is an apocalyptic number.

613988514 is an abundant number, since it is smaller than the sum of its proper divisors (716319972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613988514 is a wasteful number, since it uses less digits than its factorization.

613988514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34110481 (or 34110478 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 613988514 is about 24778.7916170260. The cubic root of 613988514 is about 849.9370260151.

The spelling of 613988514 in words is "six hundred thirteen million, nine hundred eighty-eight thousand, five hundred fourteen".