16315514 has 4 divisors (see below), whose sum is σ = 24473274. Its totient is φ = 8157756.

The previous prime is 16315511. The next prime is 16315531. The reversal of 16315514 is 41551361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41551361 = 761 ⋅54601.

It can be written as a sum of positive squares in only one way, i.e., 11002489 + 5313025 = 3317^2 + 2305^2 .

It is not an unprimeable number, because it can be changed into a prime (16315511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4078877 + ... + 4078880.

Almost surely, 2^16315514 is an apocalyptic number.

16315514 is a deficient number, since it is larger than the sum of its proper divisors (8157760).

16315514 is an equidigital number, since it uses as much as digits as its factorization.

16315514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8157759.

The product of its digits is 1800, while the sum is 26.

The square root of 16315514 is about 4039.2467119501. The cubic root of 16315514 is about 253.6297849196.

Adding to 16315514 its reverse (41551361), we get a palindrome (57866875).

The spelling of 16315514 in words is "sixteen million, three hundred fifteen thousand, five hundred fourteen".