61595223 has 4 divisors (see below), whose sum is σ = 82126968. Its totient is φ = 41063480.

The previous prime is 61595197. The next prime is 61595227. The reversal of 61595223 is 32259516.

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 61595223 - 2¹⁰ = 61594199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61595227) 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, 10265868 + ... + 10265873.

It is an arithmetic number, because the mean of its divisors is an integer number (20531742).

Almost surely, 2^61595223 is an apocalyptic number.

61595223 is a deficient number, since it is larger than the sum of its proper divisors (20531745).

61595223 is a wasteful number, since it uses less digits than its factorization.

61595223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20531744.

The product of its digits is 16200, while the sum is 33.

The square root of 61595223 is about 7848.2624191601. The cubic root of 61595223 is about 394.9259552497.

The spelling of 61595223 in words is "sixty-one million, five hundred ninety-five thousand, two hundred twenty-three".