16253701 has 2 divisors, whose sum is σ = 16253702. Its totient is φ = 16253700.

The previous prime is 16253689. The next prime is 16253707. The reversal of 16253701 is 10735261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14630625 + 1623076 = 3825^2 + 1274^2 .

It is a cyclic number.

It is not a de Polignac number, because 16253701 - 2¹⁷ = 16122629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16253707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8126850 + 8126851.

It is an arithmetic number, because the mean of its divisors is an integer number (8126851).

Almost surely, 2^16253701 is an apocalyptic number.

It is an amenable number.

16253701 is a deficient number, since it is larger than the sum of its proper divisors (1).

16253701 is an equidigital number, since it uses as much as digits as its factorization.

16253701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 16253701 is about 4031.5879005672. The cubic root of 16253701 is about 253.3090787413.

Adding to 16253701 its reverse (10735261), we get a palindrome (26988962).

The spelling of 16253701 in words is "sixteen million, two hundred fifty-three thousand, seven hundred one".