2533947 has 16 divisors (see below), whose sum is σ = 3725568. Its totient is φ = 1522080.

The previous prime is 2533943. The next prime is 2533963. The reversal of 2533947 is 7493352.

It is a happy number.

It is not a de Polignac number, because 2533947 - 2² = 2533943 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 5⁷ + 3¹⁰ + 3¹¹ + 9³ + 4⁶ + 7⁶ .

It is not an unprimeable number, because it can be changed into a prime (2533943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922 + ... + 2432.

It is an arithmetic number, because the mean of its divisors is an integer number (232848).

2^2533947 is an apocalyptic number.

2533947 is a deficient number, since it is larger than the sum of its proper divisors (1191621).

2533947 is a wasteful number, since it uses less digits than its factorization.

2533947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570.

The product of its digits is 22680, while the sum is 33.

The square root of 2533947 is about 1591.8376173467. The cubic root of 2533947 is about 136.3324299904.

The spelling of 2533947 in words is "two million, five hundred thirty-three thousand, nine hundred forty-seven".