87459249 has 4 divisors (see below), whose sum is σ = 116612336. Its totient is φ = 58306164.

The previous prime is 87459161. The next prime is 87459263. The reversal of 87459249 is 94295478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 87459249 - 2⁷ = 87459121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87459198 and 87459207.

It is not an unprimeable number, because it can be changed into a prime (87459269) 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, 14576539 + ... + 14576544.

It is an arithmetic number, because the mean of its divisors is an integer number (29153084).

Almost surely, 2^87459249 is an apocalyptic number.

It is an amenable number.

87459249 is a deficient number, since it is larger than the sum of its proper divisors (29153087).

87459249 is a wasteful number, since it uses less digits than its factorization.

87459249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29153086.

The product of its digits is 725760, while the sum is 48.

The square root of 87459249 is about 9351.9649806872. The cubic root of 87459249 is about 443.8830702150.

The spelling of 87459249 in words is "eighty-seven million, four hundred fifty-nine thousand, two hundred forty-nine".