2528247 has 8 divisors (see below), whose sum is σ = 3462256. Its totient is φ = 1639872.

The previous prime is 2528243. The next prime is 2528261. The reversal of 2528247 is 7428252.

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

It is not a de Polignac number, because 2528247 - 2² = 2528243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528243) 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, 11278 + ... + 11499.

It is an arithmetic number, because the mean of its divisors is an integer number (432782).

2^2528247 is an apocalyptic number.

2528247 is a deficient number, since it is larger than the sum of its proper divisors (934009).

2528247 is a wasteful number, since it uses less digits than its factorization.

2528247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22817.

The product of its digits is 8960, while the sum is 30.

The square root of 2528247 is about 1590.0462257431. The cubic root of 2528247 is about 136.2301286847.

It can be divided in two parts, 2528 and 247, that added together give a triangular number (2775 = T₇₄).

The spelling of 2528247 in words is "two million, five hundred twenty-eight thousand, two hundred forty-seven".