2523747 has 8 divisors (see below), whose sum is σ = 3378256. Its totient is φ = 1675872.

The previous prime is 2523743. The next prime is 2523749. The reversal of 2523747 is 7473252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2523747 - 2² = 2523743 is a prime.

It is a Duffinian number.

2523747 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2523743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688 + ... + 2349.

It is an arithmetic number, because the mean of its divisors is an integer number (422282).

2^2523747 is an apocalyptic number.

2523747 is a deficient number, since it is larger than the sum of its proper divisors (854509).

2523747 is a wasteful number, since it uses less digits than its factorization.

2523747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3317.

The product of its digits is 11760, while the sum is 30.

The square root of 2523747 is about 1588.6305423225. The cubic root of 2523747 is about 136.1492558307.

Adding to 2523747 its reverse (7473252), we get a palindrome (9996999).

The spelling of 2523747 in words is "two million, five hundred twenty-three thousand, seven hundred forty-seven".