15901241 has 2 divisors, whose sum is σ = 15901242. Its totient is φ = 15901240.

The previous prime is 15901229. The next prime is 15901253. The reversal of 15901241 is 14210951.

It is a happy number.

15901241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (15901229) and next prime (15901253).

It can be written as a sum of positive squares in only one way, i.e., 15405625 + 495616 = 3925^2 + 704^2 .

It is an emirp because it is prime and its reverse (14210951) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15901241 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (15901261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7950620 + 7950621.

It is an arithmetic number, because the mean of its divisors is an integer number (7950621).

Almost surely, 2^15901241 is an apocalyptic number.

It is an amenable number.

15901241 is a deficient number, since it is larger than the sum of its proper divisors (1).

15901241 is an equidigital number, since it uses as much as digits as its factorization.

15901241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 15901241 is about 3987.6360164890. The cubic root of 15901241 is about 251.4646873389.

The spelling of 15901241 in words is "fifteen million, nine hundred one thousand, two hundred forty-one".