15074987 has 2 divisors, whose sum is σ = 15074988. Its totient is φ = 15074986.

The previous prime is 15074981. The next prime is 15074989. The reversal of 15074987 is 78947051.

15074987 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 is a cyclic number.

It is not a de Polignac number, because 15074987 - 2¹⁰ = 15073963 is a prime.

Together with 15074989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15074981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7537493 + 7537494.

It is an arithmetic number, because the mean of its divisors is an integer number (7537494).

Almost surely, 2^15074987 is an apocalyptic number.

15074987 is a deficient number, since it is larger than the sum of its proper divisors (1).

15074987 is an equidigital number, since it uses as much as digits as its factorization.

15074987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 15074987 is about 3882.6520575504. The cubic root of 15074987 is about 247.0314886068.

Subtracting 15074987 from its reverse (78947051), we obtain a square (63872064 = 7992²).

It can be divided in two parts, 15074 and 987, that added together give a palindrome (16061).

The spelling of 15074987 in words is "fifteen million, seventy-four thousand, nine hundred eighty-seven".