15946241 has 2 divisors, whose sum is σ = 15946242. Its totient is φ = 15946240.

The previous prime is 15946213. The next prime is 15946243. The reversal of 15946241 is 14264951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14938225 + 1008016 = 3865^2 + 1004^2 .

It is a cyclic number.

It is not a de Polignac number, because 15946241 - 2¹⁴ = 15929857 is a prime.

Together with 15946243, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 15946198 and 15946207.

It is not a weakly prime, because it can be changed into another prime (15946243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7973120 + 7973121.

It is an arithmetic number, because the mean of its divisors is an integer number (7973121).

Almost surely, 2^15946241 is an apocalyptic number.

It is an amenable number.

15946241 is a deficient number, since it is larger than the sum of its proper divisors (1).

15946241 is an equidigital number, since it uses as much as digits as its factorization.

15946241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 15946241 is about 3993.2744709073. The cubic root of 15946241 is about 251.7016762449.

The spelling of 15946241 in words is "fifteen million, nine hundred forty-six thousand, two hundred forty-one".