4537987 has 2 divisors, whose sum is σ = 4537988. Its totient is φ = 4537986.

The previous prime is 4537961. The next prime is 4537993. The reversal of 4537987 is 7897354.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4537987 - 2¹⁹ = 4013699 is a prime.

It is not a weakly prime, because it can be changed into another prime (4537927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2268993 + 2268994.

It is an arithmetic number, because the mean of its divisors is an integer number (2268994).

Almost surely, 2^4537987 is an apocalyptic number.

4537987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4537987 is an equidigital number, since it uses as much as digits as its factorization.

4537987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 43.

The square root of 4537987 is about 2130.2551490373. The cubic root of 4537987 is about 165.5596180523.

The spelling of 4537987 in words is "four million, five hundred thirty-seven thousand, nine hundred eighty-seven".