676243531 has 4 divisors (see below), whose sum is σ = 682563672. Its totient is φ = 669923392.

The previous prime is 676243523. The next prime is 676243537. The reversal of 676243531 is 135342676.

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 676243531 - 2³ = 676243523 is a prime.

It is a super-2 number, since 2×676243531² = 914610626438695922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676243537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3159910 + ... + 3160123.

It is an arithmetic number, because the mean of its divisors is an integer number (170640918).

Almost surely, 2^676243531 is an apocalyptic number.

676243531 is a deficient number, since it is larger than the sum of its proper divisors (6320141).

676243531 is a wasteful number, since it uses less digits than its factorization.

676243531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6320140.

The product of its digits is 90720, while the sum is 37.

The square root of 676243531 is about 26004.6828667454. The cubic root of 676243531 is about 877.7436734772.

The spelling of 676243531 in words is "six hundred seventy-six million, two hundred forty-three thousand, five hundred thirty-one".