611713553 has 8 divisors (see below), whose sum is σ = 668528640. Its totient is φ = 555099280.

The previous prime is 611713547. The next prime is 611713561. The reversal of 611713553 is 355317116.

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 611713553 - 2¹⁰ = 611712529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611713513) 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, 43793 + ... + 56046.

It is an arithmetic number, because the mean of its divisors is an integer number (83566080).

Almost surely, 2^611713553 is an apocalyptic number.

It is an amenable number.

611713553 is a deficient number, since it is larger than the sum of its proper divisors (56815087).

611713553 is a wasteful number, since it uses less digits than its factorization.

611713553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100407.

The product of its digits is 9450, while the sum is 32.

The square root of 611713553 is about 24732.8436092577. The cubic root of 611713553 is about 848.8859929886.

The spelling of 611713553 in words is "six hundred eleven million, seven hundred thirteen thousand, five hundred fifty-three".