2536489 has 4 divisors (see below), whose sum is σ = 2545924. Its totient is φ = 2527056.

The previous prime is 2536483. The next prime is 2536517. The reversal of 2536489 is 9846352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 384400 + 2152089 = 620^2 + 1467^2 .

It is a cyclic number.

It is not a de Polignac number, because 2536489 - 2⁷ = 2536361 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 3¹⁰ + 6 + 4 + 8 + 9 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2536483) 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, 4302 + ... + 4855.

It is an arithmetic number, because the mean of its divisors is an integer number (636481).

2^2536489 is an apocalyptic number.

It is an amenable number.

2536489 is a deficient number, since it is larger than the sum of its proper divisors (9435).

2536489 is an equidigital number, since it uses as much as digits as its factorization.

2536489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9434.

The product of its digits is 51840, while the sum is 37.

The square root of 2536489 is about 1592.6358654758. The cubic root of 2536489 is about 136.3780033213.

It can be divided in two parts, 2536 and 489, that added together give a square (3025 = 55²).

The spelling of 2536489 in words is "two million, five hundred thirty-six thousand, four hundred eighty-nine".