2529247 has 4 divisors (see below), whose sum is σ = 2890576. Its totient is φ = 2167920.

The previous prime is 2529239. The next prime is 2529251. The reversal of 2529247 is 7429252.

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 2529247 - 2³ = 2529239 is a prime.

It is a d-powerful number, because it can be written as 2 + 5⁷ + 2¹⁵ + 9⁵ + 2²¹ + 4⁹ + 7 .

It is a Duffinian number.

2529247 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2529227) 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, 180654 + ... + 180667.

It is an arithmetic number, because the mean of its divisors is an integer number (722644).

2^2529247 is an apocalyptic number.

2529247 is a deficient number, since it is larger than the sum of its proper divisors (361329).

2529247 is an equidigital number, since it uses as much as digits as its factorization.

2529247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361328.

The product of its digits is 10080, while the sum is 31.

The square root of 2529247 is about 1590.3606509217. The cubic root of 2529247 is about 136.2480873956.

The spelling of 2529247 in words is "two million, five hundred twenty-nine thousand, two hundred forty-seven".