675990261 has 48 divisors (see below), whose sum is σ = 1078608960. Its totient is φ = 406049280.

The previous prime is 675990253. The next prime is 675990277. The reversal of 675990261 is 162099576.

It is a happy number.

675990261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 675990261 - 2³ = 675990253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675995261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 580666 + ... + 581828.

It is an arithmetic number, because the mean of its divisors is an integer number (22471020).

Almost surely, 2^675990261 is an apocalyptic number.

It is an amenable number.

675990261 is a deficient number, since it is larger than the sum of its proper divisors (402618699).

675990261 is a wasteful number, since it uses less digits than its factorization.

675990261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346 (or 1343 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 675990261 is about 25999.8127108639. The cubic root of 675990261 is about 877.6340808582.

It can be divided in two parts, 6759 and 90261, that added together give a triangular number (97020 = T₄₄₀).

The spelling of 675990261 in words is "six hundred seventy-five million, nine hundred ninety thousand, two hundred sixty-one".