16250042 has 4 divisors (see below), whose sum is σ = 24375066. Its totient is φ = 8125020.

The previous prime is 16250041. The next prime is 16250093. The reversal of 16250042 is 24005261.

It is a happy number.

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., 15124321 + 1125721 = 3889^2 + 1061^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16249996 and 16250023.

It is not an unprimeable number, because it can be changed into a prime (16250041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4062509 + ... + 4062512.

Almost surely, 2^16250042 is an apocalyptic number.

16250042 is a deficient number, since it is larger than the sum of its proper divisors (8125024).

16250042 is an equidigital number, since it uses as much as digits as its factorization.

16250042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8125023.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 16250042 is about 4031.1340836048. The cubic root of 16250042 is about 253.2900691738.

The spelling of 16250042 in words is "sixteen million, two hundred fifty thousand, forty-two".