2536491 has 8 divisors (see below), whose sum is σ = 3389760. Its totient is φ = 1687112.

The previous prime is 2536483. The next prime is 2536517. The reversal of 2536491 is 1946352.

2536491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2536491 - 2³ = 2536483 is a prime.

2536491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2536691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1336 + ... + 2618.

It is an arithmetic number, because the mean of its divisors is an integer number (423720).

2^2536491 is an apocalyptic number.

2536491 is a deficient number, since it is larger than the sum of its proper divisors (853269).

2536491 is a wasteful number, since it uses less digits than its factorization.

2536491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945.

The product of its digits is 6480, while the sum is 30.

The square root of 2536491 is about 1592.6364933656. The cubic root of 2536491 is about 136.3780391656.

The spelling of 2536491 in words is "two million, five hundred thirty-six thousand, four hundred ninety-one".