16242377 has 2 divisors, whose sum is σ = 16242378. Its totient is φ = 16242376.

The previous prime is 16242367. The next prime is 16242403. The reversal of 16242377 is 77324261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15555136 + 687241 = 3944^2 + 829^2 .

It is a cyclic number.

It is not a de Polignac number, because 16242377 - 2⁶ = 16242313 is a prime.

It is a super-2 number, since 2×16242377² = 527629621220258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16242367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8121188 + 8121189.

It is an arithmetic number, because the mean of its divisors is an integer number (8121189).

Almost surely, 2^16242377 is an apocalyptic number.

It is an amenable number.

16242377 is a deficient number, since it is larger than the sum of its proper divisors (1).

16242377 is an equidigital number, since it uses as much as digits as its factorization.

16242377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 32.

The square root of 16242377 is about 4030.1832464542. The cubic root of 16242377 is about 253.2502380210.

The spelling of 16242377 in words is "sixteen million, two hundred forty-two thousand, three hundred seventy-seven".