673052557 has 4 divisors (see below), whose sum is σ = 673714080. Its totient is φ = 672391036.

The previous prime is 673052539. The next prime is 673052581. The reversal of 673052557 is 755250376.

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-673052557 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 (673052507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329233 + ... + 331270.

It is an arithmetic number, because the mean of its divisors is an integer number (168428520).

Almost surely, 2^673052557 is an apocalyptic number.

It is an amenable number.

673052557 is a deficient number, since it is larger than the sum of its proper divisors (661523).

673052557 is a wasteful number, since it uses less digits than its factorization.

673052557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661522.

The product of its (nonzero) digits is 220500, while the sum is 40.

The square root of 673052557 is about 25943.2564841039. The cubic root of 673052557 is about 876.3609002882.

The spelling of 673052557 in words is "six hundred seventy-three million, fifty-two thousand, five hundred fifty-seven".