4250539 has 4 divisors (see below), whose sum is σ = 4341024. Its totient is φ = 4160056.

The previous prime is 4250531. The next prime is 4250567. The reversal of 4250539 is 9350524.

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 4250539 - 2³ = 4250531 is a prime.

It is a Duffinian number.

4250539 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4250531) 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, 45172 + ... + 45265.

It is an arithmetic number, because the mean of its divisors is an integer number (1085256).

Almost surely, 2^4250539 is an apocalyptic number.

4250539 is a deficient number, since it is larger than the sum of its proper divisors (90485).

4250539 is an equidigital number, since it uses as much as digits as its factorization.

4250539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90484.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 4250539 is about 2061.6835353662. The cubic root of 4250539 is about 161.9874374245.

The spelling of 4250539 in words is "four million, two hundred fifty thousand, five hundred thirty-nine".