61863233 has 4 divisors (see below), whose sum is σ = 63179520. Its totient is φ = 60546948.

The previous prime is 61863203. The next prime is 61863247. The reversal of 61863233 is 33236816.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61863233 - 2¹² = 61859137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61863233.

It is not an unprimeable number, because it can be changed into a prime (61863203) 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, 658073 + ... + 658166.

It is an arithmetic number, because the mean of its divisors is an integer number (15794880).

Almost surely, 2^61863233 is an apocalyptic number.

It is an amenable number.

61863233 is a deficient number, since it is larger than the sum of its proper divisors (1316287).

61863233 is a wasteful number, since it uses less digits than its factorization.

61863233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316286.

The product of its digits is 15552, while the sum is 32.

The square root of 61863233 is about 7865.3183660930. The cubic root of 61863233 is about 395.4979203883.

The spelling of 61863233 in words is "sixty-one million, eight hundred sixty-three thousand, two hundred thirty-three".