61223339 has 4 divisors (see below), whose sum is σ = 64445640. Its totient is φ = 58001040.

The previous prime is 61223329. The next prime is 61223381. The reversal of 61223339 is 93332216.

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 61223339 - 2¹² = 61219243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61223329) 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, 1611122 + ... + 1611159.

It is an arithmetic number, because the mean of its divisors is an integer number (16111410).

Almost surely, 2^61223339 is an apocalyptic number.

61223339 is a deficient number, since it is larger than the sum of its proper divisors (3222301).

61223339 is a wasteful number, since it uses less digits than its factorization.

61223339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222300.

The product of its digits is 5832, while the sum is 29.

The square root of 61223339 is about 7824.5344270442. The cubic root of 61223339 is about 394.1295557695.

The spelling of 61223339 in words is "sixty-one million, two hundred twenty-three thousand, three hundred thirty-nine".