2481387 has 4 divisors (see below), whose sum is σ = 3308520. Its totient is φ = 1654256.

The previous prime is 2481341. The next prime is 2481389. The reversal of 2481387 is 7831842.

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

It is a cyclic number.

It is not a de Polignac number, because 2481387 - 2¹⁹ = 1957099 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2481389) 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, 413562 + ... + 413567.

It is an arithmetic number, because the mean of its divisors is an integer number (827130).

2^2481387 is an apocalyptic number.

2481387 is a deficient number, since it is larger than the sum of its proper divisors (827133).

2481387 is an equidigital number, since it uses as much as digits as its factorization.

2481387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827132.

The product of its digits is 10752, while the sum is 33.

The square root of 2481387 is about 1575.2418861876. The cubic root of 2481387 is about 135.3832184161.

The spelling of 2481387 in words is "two million, four hundred eighty-one thousand, three hundred eighty-seven".