4972591 has 4 divisors (see below), whose sum is σ = 5355112. Its totient is φ = 4590072.

The previous prime is 4972589. The next prime is 4972607. The reversal of 4972591 is 1952794.

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 4972591 - 2¹ = 4972589 is a prime.

It is a super-2 number, since 2×4972591² = 49453322506562, 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 4972591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4972501) 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, 191241 + ... + 191266.

It is an arithmetic number, because the mean of its divisors is an integer number (1338778).

Almost surely, 2^4972591 is an apocalyptic number.

4972591 is a deficient number, since it is larger than the sum of its proper divisors (382521).

4972591 is a wasteful number, since it uses less digits than its factorization.

4972591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382520.

The product of its digits is 22680, while the sum is 37.

The square root of 4972591 is about 2229.9307164125. The cubic root of 4972591 is about 170.6845637732.

The spelling of 4972591 in words is "four million, nine hundred seventy-two thousand, five hundred ninety-one".