61390059 has 16 divisors (see below), whose sum is σ = 87028992. Its totient is φ = 38406368.

The previous prime is 61390057. The next prime is 61390081. The reversal of 61390059 is 95009316.

It is a cyclic number.

It is not a de Polignac number, because 61390059 - 2¹ = 61390057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61390051) 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, 4737 + ... + 12050.

It is an arithmetic number, because the mean of its divisors is an integer number (5439312).

Almost surely, 2^61390059 is an apocalyptic number.

61390059 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

61390059 is a deficient number, since it is larger than the sum of its proper divisors (25638933).

61390059 is a wasteful number, since it uses less digits than its factorization.

61390059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16866.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 61390059 is about 7835.1808530499. The cubic root of 61390059 is about 394.4869887648.

The spelling of 61390059 in words is "sixty-one million, three hundred ninety thousand, fifty-nine".