613701577 has 4 divisors (see below), whose sum is σ = 646001680. Its totient is φ = 581401476.

The previous prime is 613701563. The next prime is 613701589. The reversal of 613701577 is 775107316.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 613701577 - 2⁷ = 613701449 is a prime.

It is a super-2 number, since 2×613701577² = 753259251224573858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613701877) 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, 16150023 + ... + 16150060.

It is an arithmetic number, because the mean of its divisors is an integer number (161500420).

Almost surely, 2^613701577 is an apocalyptic number.

It is an amenable number.

613701577 is a deficient number, since it is larger than the sum of its proper divisors (32300103).

613701577 is a wasteful number, since it uses less digits than its factorization.

613701577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32300102.

The product of its (nonzero) digits is 30870, while the sum is 37.

The square root of 613701577 is about 24773.0009687967. Note that the first 3 decimals coincide. The cubic root of 613701577 is about 849.8046042213.

The spelling of 613701577 in words is "six hundred thirteen million, seven hundred one thousand, five hundred seventy-seven".