115213533 has 8 divisors (see below), whose sum is σ = 153684096. Its totient is φ = 76776000.

The previous prime is 115213513. The next prime is 115213537. The reversal of 115213533 is 335312511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115213533 - 2⁸ = 115213277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115213537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1548 + ... + 15258.

It is an arithmetic number, because the mean of its divisors is an integer number (19210512).

Almost surely, 2^115213533 is an apocalyptic number.

It is an amenable number.

115213533 is a deficient number, since it is larger than the sum of its proper divisors (38470563).

115213533 is a wasteful number, since it uses less digits than its factorization.

115213533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16515.

The product of its digits is 1350, while the sum is 24.

The square root of 115213533 is about 10733.7567049007. The cubic root of 115213533 is about 486.5952122423.

The spelling of 115213533 in words is "one hundred fifteen million, two hundred thirteen thousand, five hundred thirty-three".