15489113 has 2 divisors, whose sum is σ = 15489114. Its totient is φ = 15489112.

The previous prime is 15489107. The next prime is 15489121. The reversal of 15489113 is 31198451.

15489113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14227984 + 1261129 = 3772^2 + 1123^2 .

It is a cyclic number.

It is not a de Polignac number, because 15489113 - 2²² = 11294809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15489113.

It is not a weakly prime, because it can be changed into another prime (15489013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7744556 + 7744557.

It is an arithmetic number, because the mean of its divisors is an integer number (7744557).

Almost surely, 2^15489113 is an apocalyptic number.

It is an amenable number.

15489113 is a deficient number, since it is larger than the sum of its proper divisors (1).

15489113 is an equidigital number, since it uses as much as digits as its factorization.

15489113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 32.

The square root of 15489113 is about 3935.6210437490. The cubic root of 15489113 is about 249.2731581852.

The spelling of 15489113 in words is "fifteen million, four hundred eighty-nine thousand, one hundred thirteen".