61675291 has 4 divisors (see below), whose sum is σ = 62520232. Its totient is φ = 60830352.

The previous prime is 61675283. The next prime is 61675297. The reversal of 61675291 is 19257616.

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 61675291 - 2³ = 61675283 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 61675291.

It is not an unprimeable number, because it can be changed into a prime (61675297) 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, 422361 + ... + 422506.

It is an arithmetic number, because the mean of its divisors is an integer number (15630058).

Almost surely, 2^61675291 is an apocalyptic number.

61675291 is a deficient number, since it is larger than the sum of its proper divisors (844941).

61675291 is an equidigital number, since it uses as much as digits as its factorization.

61675291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844940.

The product of its digits is 22680, while the sum is 37.

The square root of 61675291 is about 7853.3617642383. The cubic root of 61675291 is about 395.0970033620.

The spelling of 61675291 in words is "sixty-one million, six hundred seventy-five thousand, two hundred ninety-one".