2987523 has 40 divisors (see below), whose sum is σ = 5575680. Its totient is φ = 1548720.

The previous prime is 2987521. The next prime is 2987533. The reversal of 2987523 is 3257892.

It is a happy number.

It is not a de Polignac number, because 2987523 - 2¹ = 2987521 is a prime.

It is an Ulam number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2987521) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5998 + ... + 6476.

It is an arithmetic number, because the mean of its divisors is an integer number (139392).

2^2987523 is an apocalyptic number.

2987523 is a deficient number, since it is larger than the sum of its proper divisors (2588157).

2987523 is a wasteful number, since it uses less digits than its factorization.

2987523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 500 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 2987523 is about 1728.4452551354. The cubic root of 2987523 is about 144.0247353342.

The spelling of 2987523 in words is "two million, nine hundred eighty-seven thousand, five hundred twenty-three".