613021248 has 84 divisors (see below), whose sum is σ = 2008144320. Its totient is φ = 175147776.

The previous prime is 613021243. The next prime is 613021261. The reversal of 613021248 is 842120316.

613021248 is a `hidden beast` number, since 613 + 0 + 2 + 1 + 2 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is not an unprimeable number, because it can be changed into a prime (613021243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71988 + ... + 80051.

It is an arithmetic number, because the mean of its divisors is an integer number (23906480).

Almost surely, 2^613021248 is an apocalyptic number.

It is an amenable number.

613021248 is an abundant number, since it is smaller than the sum of its proper divisors (1395123072).

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

613021248 is a wasteful number, since it uses less digits than its factorization.

613021248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152064 (or 152051 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 613021248 is about 24759.2659018800. The cubic root of 613021248 is about 849.4904664775.

The spelling of 613021248 in words is "six hundred thirteen million, twenty-one thousand, two hundred forty-eight".