613244087 has 8 divisors (see below), whose sum is σ = 621717120. Its totient is φ = 604806400.

The previous prime is 613244083. The next prime is 613244119. The reversal of 613244087 is 780442316.

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

It is a cyclic number.

It is not a de Polignac number, because 613244087 - 2² = 613244083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613244081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27098 + ... + 44280.

It is an arithmetic number, because the mean of its divisors is an integer number (77714640).

Almost surely, 2^613244087 is an apocalyptic number.

613244087 is a deficient number, since it is larger than the sum of its proper divisors (8473033).

613244087 is a wasteful number, since it uses less digits than its factorization.

613244087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17673.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 613244087 is about 24763.7656062239. The cubic root of 613244087 is about 849.5933866041.

The spelling of 613244087 in words is "six hundred thirteen million, two hundred forty-four thousand, eighty-seven".