15487361 has 2 divisors, whose sum is σ = 15487362. Its totient is φ = 15487360.

The previous prime is 15487331. The next prime is 15487399. The reversal of 15487361 is 16378451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15484225 + 3136 = 3935^2 + 56^2 .

It is an emirp because it is prime and its reverse (16378451) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15487361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15487331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7743680 + 7743681.

It is an arithmetic number, because the mean of its divisors is an integer number (7743681).

Almost surely, 2^15487361 is an apocalyptic number.

It is an amenable number.

15487361 is a deficient number, since it is larger than the sum of its proper divisors (1).

15487361 is an equidigital number, since it uses as much as digits as its factorization.

15487361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 15487361 is about 3935.3984550487. The cubic root of 15487361 is about 249.2637592600.

The spelling of 15487361 in words is "fifteen million, four hundred eighty-seven thousand, three hundred sixty-one".