2487553 has 4 divisors (see below), whose sum is σ = 2511808. Its totient is φ = 2463300.

The previous prime is 2487523. The next prime is 2487557. The reversal of 2487553 is 3557842.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3557842 = 2 ⋅1778921.

It is a cyclic number.

It is not a de Polignac number, because 2487553 - 2⁵ = 2487521 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2487557) 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, 11973 + ... + 12178.

It is an arithmetic number, because the mean of its divisors is an integer number (627952).

2^2487553 is an apocalyptic number.

It is an amenable number.

2487553 is a deficient number, since it is larger than the sum of its proper divisors (24255).

2487553 is a wasteful number, since it uses less digits than its factorization.

2487553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24254.

The product of its digits is 33600, while the sum is 34.

The square root of 2487553 is about 1577.1978315988. The cubic root of 2487553 is about 135.4952636063.

It can be divided in two parts, 2487 and 553, that multiplied together give a triangular number (1375311 = T₁₆₅₈).

The spelling of 2487553 in words is "two million, four hundred eighty-seven thousand, five hundred fifty-three".