2481457 has 16 divisors (see below), whose sum is σ = 2949120. Its totient is φ = 2062800.

The previous prime is 2481449. The next prime is 2481461. The reversal of 2481457 is 7541842.

It is a cyclic number.

It is not a de Polignac number, because 2481457 - 2³ = 2481449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2481497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6288 + ... + 6670.

It is an arithmetic number, because the mean of its divisors is an integer number (184320).

2^2481457 is an apocalyptic number.

It is an amenable number.

2481457 is a deficient number, since it is larger than the sum of its proper divisors (467663).

2481457 is a wasteful number, since it uses less digits than its factorization.

2481457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444.

The product of its digits is 8960, while the sum is 31.

The square root of 2481457 is about 1575.2641048408. The cubic root of 2481457 is about 135.3844914589.

The spelling of 2481457 in words is "two million, four hundred eighty-one thousand, four hundred fifty-seven".