18057514 has 4 divisors (see below), whose sum is σ = 27086274. Its totient is φ = 9028756.

The previous prime is 18057511. The next prime is 18057547. The reversal of 18057514 is 41575081.

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

It can be written as a sum of positive squares in only one way, i.e., 12369289 + 5688225 = 3517^2 + 2385^2 .

It is not an unprimeable number, because it can be changed into a prime (18057511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4514377 + ... + 4514380.

Almost surely, 2^18057514 is an apocalyptic number.

18057514 is a deficient number, since it is larger than the sum of its proper divisors (9028760).

18057514 is an equidigital number, since it uses as much as digits as its factorization.

18057514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9028759.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 18057514 is about 4249.4133712784. The cubic root of 18057514 is about 262.3529710265.

The spelling of 18057514 in words is "eighteen million, fifty-seven thousand, five hundred fourteen".