675978031 has 4 divisors (see below), whose sum is σ = 677484000. Its totient is φ = 674472064.

The previous prime is 675978019. The next prime is 675978041. The reversal of 675978031 is 130879576.

675978031 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.

It is a cyclic number.

It is not a de Polignac number, because 675978031 - 2⁵ = 675977999 is a prime.

It is a super-2 number, since 2×675978031² = 913892596789273922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675978011) 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, 752311 + ... + 753208.

It is an arithmetic number, because the mean of its divisors is an integer number (169371000).

Almost surely, 2^675978031 is an apocalyptic number.

675978031 is a deficient number, since it is larger than the sum of its proper divisors (1505969).

675978031 is a wasteful number, since it uses less digits than its factorization.

675978031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505968.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 675978031 is about 25999.5775157982. The cubic root of 675978031 is about 877.6287881145.

The spelling of 675978031 in words is "six hundred seventy-five million, nine hundred seventy-eight thousand, thirty-one".