918514249 has 3 divisors (see below), whose sum is σ = 918544557. Its totient is φ = 918483942.

The previous prime is 918514231. The next prime is 918514297. The reversal of 918514249 is 942415819.

The square root of 918514249 is 30307.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 918514249 - 2⁹ = 918513737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (918512249) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15154 + ... + 45460.

It is an arithmetic number, because the mean of its divisors is an integer number (306181519).

Almost surely, 2^918514249 is an apocalyptic number.

918514249 is the 30307-th square number.

918514249 is the 15154-th centered octagonal number.

It is an amenable number.

918514249 is a deficient number, since it is larger than the sum of its proper divisors (30308).

918514249 is an frugal number, since it uses more digits than its factorization.

918514249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60614 (or 30307 counting only the distinct ones).

The product of its digits is 103680, while the sum is 43.

The cubic root of 918514249 is about 972.0649844076.

It can be divided in two parts, 91851 and 4249, that added together give a square (96100 = 310²).

The spelling of 918514249 in words is "nine hundred eighteen million, five hundred fourteen thousand, two hundred forty-nine".