16240837 has 2 divisors, whose sum is σ = 16240838. Its totient is φ = 16240836.

The previous prime is 16240811. The next prime is 16240853. The reversal of 16240837 is 73804261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15610401 + 630436 = 3951^2 + 794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16240837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16240799 and 16240808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16240537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8120418 + 8120419.

It is an arithmetic number, because the mean of its divisors is an integer number (8120419).

Almost surely, 2^16240837 is an apocalyptic number.

It is an amenable number.

16240837 is a deficient number, since it is larger than the sum of its proper divisors (1).

16240837 is an equidigital number, since it uses as much as digits as its factorization.

16240837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 16240837 is about 4029.9921836152. The cubic root of 16240837 is about 253.2422339033.

The spelling of 16240837 in words is "sixteen million, two hundred forty thousand, eight hundred thirty-seven".