4052725 has 6 divisors (see below), whose sum is σ = 5025410. Its totient is φ = 3242160.

The previous prime is 4052717. The next prime is 4052743. The reversal of 4052725 is 5272504.

It can be written as a sum of positive squares in 3 ways, for example, as 762129 + 3290596 = 873^2 + 1814^2 .

It is not a de Polignac number, because 4052725 - 2³ = 4052717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 162109 = 4052725 / (4 + 0 + 5 + 2 + 7 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 4052725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81030 + ... + 81079.

Almost surely, 2^4052725 is an apocalyptic number.

It is an amenable number.

4052725 is a deficient number, since it is larger than the sum of its proper divisors (972685).

4052725 is a wasteful number, since it uses less digits than its factorization.

4052725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162119 (or 162114 counting only the distinct ones).

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

The square root of 4052725 is about 2013.1380975979. The cubic root of 4052725 is about 159.4345272957.

The spelling of 4052725 in words is "four million, fifty-two thousand, seven hundred twenty-five".