61098267 has 4 divisors (see below), whose sum is σ = 81464360. Its totient is φ = 40732176.

The previous prime is 61098253. The next prime is 61098283. The reversal of 61098267 is 76289016.

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

It is not a de Polignac number, because 61098267 - 2¹¹ = 61096219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61098287) 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, 10183042 + ... + 10183047.

It is an arithmetic number, because the mean of its divisors is an integer number (20366090).

Almost surely, 2^61098267 is an apocalyptic number.

61098267 is a deficient number, since it is larger than the sum of its proper divisors (20366093).

61098267 is a wasteful number, since it uses less digits than its factorization.

61098267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20366092.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 61098267 is about 7816.5380444286. The cubic root of 61098267 is about 393.8609861989.

The spelling of 61098267 in words is "sixty-one million, ninety-eight thousand, two hundred sixty-seven".