114561591 has 4 divisors (see below), whose sum is σ = 152748792. Its totient is φ = 76374392.

The previous prime is 114561569. The next prime is 114561617. The reversal of 114561591 is 195165411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 114561591 - 2⁷ = 114561463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (114561511) 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 3 ways as a sum of consecutive naturals, for example, 19093596 + ... + 19093601.

It is an arithmetic number, because the mean of its divisors is an integer number (38187198).

Almost surely, 2^114561591 is an apocalyptic number.

114561591 is a deficient number, since it is larger than the sum of its proper divisors (38187201).

114561591 is an equidigital number, since it uses as much as digits as its factorization.

114561591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38187200.

The product of its digits is 5400, while the sum is 33.

The square root of 114561591 is about 10703.3448510267. The cubic root of 114561591 is about 485.6756671924.

The spelling of 114561591 in words is "one hundred fourteen million, five hundred sixty-one thousand, five hundred ninety-one".