613210090 has 8 divisors (see below), whose sum is σ = 1103778180. Its totient is φ = 245284032.

The previous prime is 613210079. The next prime is 613210097. The reversal of 613210090 is 90012316.

It can be written as a sum of positive squares in 2 ways, for example, as 611127841 + 2082249 = 24721^2 + 1443^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×613210090² = 752053228955616200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (613210097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30660495 + ... + 30660514.

Almost surely, 2^613210090 is an apocalyptic number.

613210090 is a deficient number, since it is larger than the sum of its proper divisors (490568090).

613210090 is a wasteful number, since it uses less digits than its factorization.

613210090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61321016.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 613210090 is about 24763.0791704101. The cubic root of 613210090 is about 849.5776864064.

The spelling of 613210090 in words is "six hundred thirteen million, two hundred ten thousand, ninety".