2535749 has 4 divisors (see below), whose sum is σ = 2573664. Its totient is φ = 2497836.

The previous prime is 2535719. The next prime is 2535751. The reversal of 2535749 is 9475352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2535749 - 2¹² = 2531653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2535719) 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, 18857 + ... + 18990.

It is an arithmetic number, because the mean of its divisors is an integer number (643416).

2^2535749 is an apocalyptic number.

It is an amenable number.

2535749 is a deficient number, since it is larger than the sum of its proper divisors (37915).

2535749 is an equidigital number, since it uses as much as digits as its factorization.

2535749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37914.

The product of its digits is 37800, while the sum is 35.

The square root of 2535749 is about 1592.4035292601. The cubic root of 2535749 is about 136.3647396409.

The spelling of 2535749 in words is "two million, five hundred thirty-five thousand, seven hundred forty-nine".