16063261 has 2 divisors, whose sum is σ = 16063262. Its totient is φ = 16063260.

The previous prime is 16063259. The next prime is 16063277. The reversal of 16063261 is 16236061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9272025 + 6791236 = 3045^2 + 2606^2 .

It is a cyclic number.

It is not a de Polignac number, because 16063261 - 2¹ = 16063259 is a prime.

Together with 16063259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16063211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8031630 + 8031631.

It is an arithmetic number, because the mean of its divisors is an integer number (8031631).

Almost surely, 2^16063261 is an apocalyptic number.

It is an amenable number.

16063261 is a deficient number, since it is larger than the sum of its proper divisors (1).

16063261 is an equidigital number, since it uses as much as digits as its factorization.

16063261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 16063261 is about 4007.8998240974. The cubic root of 16063261 is about 252.3158726913.

The spelling of 16063261 in words is "sixteen million, sixty-three thousand, two hundred sixty-one".