115639033 has 2 divisors, whose sum is σ = 115639034. Its totient is φ = 115639032.

The previous prime is 115639031. The next prime is 115639061. The reversal of 115639033 is 330936511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102657424 + 12981609 = 10132^2 + 3603^2 .

It is a cyclic number.

It is not a de Polignac number, because 115639033 - 2¹ = 115639031 is a prime.

Together with 115639031, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 115638986 and 115639004.

It is not a weakly prime, because it can be changed into another prime (115639031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57819516 + 57819517.

It is an arithmetic number, because the mean of its divisors is an integer number (57819517).

Almost surely, 2^115639033 is an apocalyptic number.

It is an amenable number.

115639033 is a deficient number, since it is larger than the sum of its proper divisors (1).

115639033 is an equidigital number, since it uses as much as digits as its factorization.

115639033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 115639033 is about 10753.5590852517. The cubic root of 115639033 is about 487.1934981535.

The spelling of 115639033 in words is "one hundred fifteen million, six hundred thirty-nine thousand, thirty-three".