2547487 has 8 divisors (see below), whose sum is σ = 2701952. Its totient is φ = 2397600.

The previous prime is 2547473. The next prime is 2547491. The reversal of 2547487 is 7847452.

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

It is not a de Polignac number, because 2547487 - 2¹⁵ = 2514719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2547887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37 + ... + 2257.

It is an arithmetic number, because the mean of its divisors is an integer number (337744).

2^2547487 is an apocalyptic number.

2547487 is the 922-nd hex number.

2547487 is a deficient number, since it is larger than the sum of its proper divisors (154465).

2547487 is a wasteful number, since it uses less digits than its factorization.

2547487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289.

The product of its digits is 62720, while the sum is 37.

The square root of 2547487 is about 1596.0848974914. The cubic root of 2547487 is about 136.5748269222.

The spelling of 2547487 in words is "two million, five hundred forty-seven thousand, four hundred eighty-seven".