16242019 has 2 divisors, whose sum is σ = 16242020. Its totient is φ = 16242018.

The previous prime is 16242007. The next prime is 16242053. The reversal of 16242019 is 91024261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16242019 - 2⁷ = 16241891 is a prime.

It is a super-2 number, since 2×16242019² = 527606362392722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16241984 and 16242002.

It is not a weakly prime, because it can be changed into another prime (16242619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8121009 + 8121010.

It is an arithmetic number, because the mean of its divisors is an integer number (8121010).

Almost surely, 2^16242019 is an apocalyptic number.

16242019 is a deficient number, since it is larger than the sum of its proper divisors (1).

16242019 is an equidigital number, since it uses as much as digits as its factorization.

16242019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 16242019 is about 4030.1388313556. The cubic root of 16242019 is about 253.2483773686.

The spelling of 16242019 in words is "sixteen million, two hundred forty-two thousand, nineteen".