113851547 has 4 divisors (see below), whose sum is σ = 116628456. Its totient is φ = 111074640.

The previous prime is 113851537. The next prime is 113851571. The reversal of 113851547 is 745158311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 745158311 = 647 ⋅1151713.

It is a cyclic number.

It is not a de Polignac number, because 113851547 - 2⁶ = 113851483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113851537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388393 + ... + 1388474.

It is an arithmetic number, because the mean of its divisors is an integer number (29157114).

Almost surely, 2^113851547 is an apocalyptic number.

113851547 is a deficient number, since it is larger than the sum of its proper divisors (2776909).

113851547 is an equidigital number, since it uses as much as digits as its factorization.

113851547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776908.

The product of its digits is 16800, while the sum is 35.

The square root of 113851547 is about 10670.1240386417. The cubic root of 113851547 is about 484.6701934631.

The spelling of 113851547 in words is "one hundred thirteen million, eight hundred fifty-one thousand, five hundred forty-seven".