2528747 has 8 divisors (see below), whose sum is σ = 2741760. Its totient is φ = 2332200.

The previous prime is 2528717. The next prime is 2528777. The reversal of 2528747 is 7478252.

It is an interprime number because it is at equal distance from previous prime (2528717) and next prime (2528777).

It is not a de Polignac number, because 2528747 - 2¹² = 2524651 is a prime.

It is a super-2 number, since 2×2528747² = 12789122780018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2528707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1622 + ... + 2772.

It is an arithmetic number, because the mean of its divisors is an integer number (342720).

2^2528747 is an apocalyptic number.

2528747 is a deficient number, since it is larger than the sum of its proper divisors (213013).

2528747 is an equidigital number, since it uses as much as digits as its factorization.

2528747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190 (or 1164 counting only the distinct ones).

The product of its digits is 31360, while the sum is 35.

The square root of 2528747 is about 1590.2034461037. The cubic root of 2528747 is about 136.2391086320.

The spelling of 2528747 in words is "two million, five hundred twenty-eight thousand, seven hundred forty-seven".