61023399 has 16 divisors (see below), whose sum is σ = 82996992. Its totient is φ = 39872448.

The previous prime is 61023367. The next prime is 61023409. The reversal of 61023399 is 99332016.

61023399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61023399 - 2⁵ = 61023367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61023349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46182 + ... + 47484.

It is an arithmetic number, because the mean of its divisors is an integer number (5187312).

Almost surely, 2^61023399 is an apocalyptic number.

61023399 is a deficient number, since it is larger than the sum of its proper divisors (21973593).

61023399 is a wasteful number, since it uses less digits than its factorization.

61023399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 61023399 is about 7811.7474997596. The cubic root of 61023399 is about 393.7000452625.

The spelling of 61023399 in words is "sixty-one million, twenty-three thousand, three hundred ninety-nine".