2533749 has 8 divisors (see below), whose sum is σ = 3525312. Its totient is φ = 1615680.

The previous prime is 2533747. The next prime is 2533753. The reversal of 2533749 is 9473352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2533749 - 2¹ = 2533747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2533747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18292 + ... + 18429.

It is an arithmetic number, because the mean of its divisors is an integer number (440664).

2^2533749 is an apocalyptic number.

It is an amenable number.

2533749 is a deficient number, since it is larger than the sum of its proper divisors (991563).

2533749 is a wasteful number, since it uses less digits than its factorization.

2533749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36747.

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

The square root of 2533749 is about 1591.7754238585. The cubic root of 2533749 is about 136.3288789395.

The spelling of 2533749 in words is "two million, five hundred thirty-three thousand, seven hundred forty-nine".