675622261 has 4 divisors (see below), whose sum is σ = 675929772. Its totient is φ = 675314752.

The previous prime is 675622253. The next prime is 675622267. The reversal of 675622261 is 162226576.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 581726161 + 93896100 = 24119^2 + 9690^2 .

It is a cyclic number.

It is not a de Polignac number, because 675622261 - 2³ = 675622253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 675622261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675622267) 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, 150436 + ... + 154861.

It is an arithmetic number, because the mean of its divisors is an integer number (168982443).

Almost surely, 2^675622261 is an apocalyptic number.

It is an amenable number.

675622261 is a deficient number, since it is larger than the sum of its proper divisors (307511).

675622261 is a wasteful number, since it uses less digits than its factorization.

675622261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307510.

The product of its digits is 60480, while the sum is 37.

The square root of 675622261 is about 25992.7347733939. The cubic root of 675622261 is about 877.4747945563.

The spelling of 675622261 in words is "six hundred seventy-five million, six hundred twenty-two thousand, two hundred sixty-one".