2547025 has 24 divisors (see below), whose sum is σ = 3609144. Its totient is φ = 1766400.

The previous prime is 2546987. The next prime is 2547029. The reversal of 2547025 is 5207452.

2547025 = 1128² + 1129².

It can be written as a sum of positive squares in 12 ways, for example, as 992016 + 1555009 = 996^2 + 1247^2 .

It is not a de Polignac number, because 2547025 - 2¹¹ = 2544977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2547029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5295 + ... + 5755.

It is an arithmetic number, because the mean of its divisors is an integer number (150381).

2^2547025 is an apocalyptic number.

2547025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2547025 is the 1129-th centered square number.

It is an amenable number.

2547025 is a deficient number, since it is larger than the sum of its proper divisors (1062119).

2547025 is a wasteful number, since it uses less digits than its factorization.

2547025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 2547025 is about 1595.9401617855. The cubic root of 2547025 is about 136.5665702383.

The spelling of 2547025 in words is "two million, five hundred forty-seven thousand, twenty-five".