4253987 has 4 divisors (see below), whose sum is σ = 4285176. Its totient is φ = 4222800.

The previous prime is 4253969. The next prime is 4254007. The reversal of 4253987 is 7893524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4253987 - 2⁸ = 4253731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4253987.

It is not an unprimeable number, because it can be changed into a prime (4253917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15389 + ... + 15662.

It is an arithmetic number, because the mean of its divisors is an integer number (1071294).

Almost surely, 2^4253987 is an apocalyptic number.

4253987 is a deficient number, since it is larger than the sum of its proper divisors (31189).

4253987 is a wasteful number, since it uses less digits than its factorization.

4253987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31188.

The product of its digits is 60480, while the sum is 38.

The square root of 4253987 is about 2062.5195756647. The cubic root of 4253987 is about 162.0312265162.

The spelling of 4253987 in words is "four million, two hundred fifty-three thousand, nine hundred eighty-seven".