2481247 has 2 divisors, whose sum is σ = 2481248. Its totient is φ = 2481246.

The previous prime is 2481239. The next prime is 2481253. The reversal of 2481247 is 7421842.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2481247 - 2³ = 2481239 is a prime.

2481247 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2481277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1240623 + 1240624.

It is an arithmetic number, because the mean of its divisors is an integer number (1240624).

2^2481247 is an apocalyptic number.

2481247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2481247 is an equidigital number, since it uses as much as digits as its factorization.

2481247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584, while the sum is 28.

The square root of 2481247 is about 1575.1974479411. The cubic root of 2481247 is about 135.3806722585.

The spelling of 2481247 in words is "two million, four hundred eighty-one thousand, two hundred forty-seven".