2524729 has 4 divisors (see below), whose sum is σ = 2566180. Its totient is φ = 2483280.

The previous prime is 2524723. The next prime is 2524741. The reversal of 2524729 is 9274252.

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

It can be written as a sum of positive squares in 2 ways, for example, as 774400 + 1750329 = 880^2 + 1323^2 .

It is a cyclic number.

It is not a de Polignac number, because 2524729 - 2⁹ = 2524217 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 5⁸ + 2²⁰ + 4⁶ + 7 + 2²⁰ + 9² .

It is a Duffinian number.

2524729 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2524729.

It is not an unprimeable number, because it can be changed into a prime (2524723) 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, 20634 + ... + 20755.

It is an arithmetic number, because the mean of its divisors is an integer number (641545).

2^2524729 is an apocalyptic number.

It is an amenable number.

2524729 is a deficient number, since it is larger than the sum of its proper divisors (41451).

2524729 is an equidigital number, since it uses as much as digits as its factorization.

2524729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41450.

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

The square root of 2524729 is about 1588.9395834959. The cubic root of 2524729 is about 136.1669122799.

The spelling of 2524729 in words is "two million, five hundred twenty-four thousand, seven hundred twenty-nine".