617669053 has 4 divisors (see below), whose sum is σ = 628138080. Its totient is φ = 607200028.

The previous prime is 617669029. The next prime is 617669069. The reversal of 617669053 is 350966716.

617669053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-617669053 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 (617669153) 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, 5234425 + ... + 5234542.

It is an arithmetic number, because the mean of its divisors is an integer number (157034520).

Almost surely, 2^617669053 is an apocalyptic number.

It is an amenable number.

617669053 is a deficient number, since it is larger than the sum of its proper divisors (10469027).

617669053 is a wasteful number, since it uses less digits than its factorization.

617669053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10469026.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 617669053 is about 24852.9485775833. The cubic root of 617669053 is about 851.6319526260.

The spelling of 617669053 in words is "six hundred seventeen million, six hundred sixty-nine thousand, fifty-three".