4200591 has 4 divisors (see below), whose sum is σ = 5600792. Its totient is φ = 2800392.

The previous prime is 4200587. The next prime is 4200601. The reversal of 4200591 is 1950024.

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

It is not a de Polignac number, because 4200591 - 2² = 4200587 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4200991) 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, 700096 + ... + 700101.

It is an arithmetic number, because the mean of its divisors is an integer number (1400198).

Almost surely, 2^4200591 is an apocalyptic number.

4200591 is a deficient number, since it is larger than the sum of its proper divisors (1400201).

4200591 is a wasteful number, since it uses less digits than its factorization.

4200591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400200.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 4200591 is about 2049.5343373557. The cubic root of 4200591 is about 161.3504319962.

The spelling of 4200591 in words is "four million, two hundred thousand, five hundred ninety-one".