4287131 has 4 divisors (see below), whose sum is σ = 4473552. Its totient is φ = 4100712.

The previous prime is 4287121. The next prime is 4287137. The reversal of 4287131 is 1317824.

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 4287131 - 2⁶ = 4287067 is a prime.

It is a super-2 number, since 2×4287131² = 36758984422322, which contains 22 as substring.

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 4287131.

It is not an unprimeable number, because it can be changed into a prime (4287137) 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 in 3 ways as a sum of consecutive naturals, for example, 93176 + ... + 93221.

It is an arithmetic number, because the mean of its divisors is an integer number (1118388).

Almost surely, 2^4287131 is an apocalyptic number.

4287131 is a deficient number, since it is larger than the sum of its proper divisors (186421).

4287131 is a wasteful number, since it uses less digits than its factorization.

4287131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186420.

The product of its digits is 1344, while the sum is 26.

The square root of 4287131 is about 2070.5388187619. The cubic root of 4287131 is about 162.4509485086.

The spelling of 4287131 in words is "four million, two hundred eighty-seven thousand, one hundred thirty-one".