15266401 has 2 divisors, whose sum is σ = 15266402. Its totient is φ = 15266400.

The previous prime is 15266371. The next prime is 15266423. The reversal of 15266401 is 10466251.

15266401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8381025 + 6885376 = 2895^2 + 2624^2 .

It is a cyclic number.

It is not a de Polignac number, because 15266401 - 2⁵ = 15266369 is a prime.

It is not a weakly prime, because it can be changed into another prime (15266201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7633200 + 7633201.

It is an arithmetic number, because the mean of its divisors is an integer number (7633201).

Almost surely, 2^15266401 is an apocalyptic number.

It is an amenable number.

15266401 is a deficient number, since it is larger than the sum of its proper divisors (1).

15266401 is an equidigital number, since it uses as much as digits as its factorization.

15266401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 15266401 is about 3907.2242065180. The cubic root of 15266401 is about 248.0726514948.

The spelling of 15266401 in words is "fifteen million, two hundred sixty-six thousand, four hundred one".