61300839 has 16 divisors (see below), whose sum is σ = 82938240. Its totient is φ = 40269600.

The previous prime is 61300777. The next prime is 61300873. The reversal of 61300839 is 93800316.

It is not a de Polignac number, because 61300839 - 2¹¹ = 61298791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61300879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92692 + ... + 93350.

It is an arithmetic number, because the mean of its divisors is an integer number (5183640).

Almost surely, 2^61300839 is an apocalyptic number.

61300839 is a deficient number, since it is larger than the sum of its proper divisors (21637401).

61300839 is a wasteful number, since it uses less digits than its factorization.

61300839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 61300839 is about 7829.4852321209. The cubic root of 61300839 is about 394.2957895489.

The spelling of 61300839 in words is "sixty-one million, three hundred thousand, eight hundred thirty-nine".