16315601 has 2 divisors, whose sum is σ = 16315602. Its totient is φ = 16315600.

The previous prime is 16315589. The next prime is 16315613. The reversal of 16315601 is 10651361.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (16315589) and next prime (16315613).

It can be written as a sum of positive squares in only one way, i.e., 13249600 + 3066001 = 3640^2 + 1751^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16315601 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16315301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8157800 + 8157801.

It is an arithmetic number, because the mean of its divisors is an integer number (8157801).

Almost surely, 2^16315601 is an apocalyptic number.

It is an amenable number.

16315601 is a deficient number, since it is larger than the sum of its proper divisors (1).

16315601 is an equidigital number, since it uses as much as digits as its factorization.

16315601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 16315601 is about 4039.2574812705. The cubic root of 16315601 is about 253.6302357329.

Adding to 16315601 its reverse (10651361), we get a palindrome (26966962).

The spelling of 16315601 in words is "sixteen million, three hundred fifteen thousand, six hundred one".