4290525 has 18 divisors (see below), whose sum is σ = 7685210. Its totient is φ = 2288160.

The previous prime is 4290499. The next prime is 4290529. The reversal of 4290525 is 5250924.

It can be written as a sum of positive squares in 3 ways, for example, as 1397124 + 2893401 = 1182^2 + 1701^2 .

It is not a de Polignac number, because 4290525 - 2⁸ = 4290269 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4290529) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9310 + ... + 9759.

Almost surely, 2^4290525 is an apocalyptic number.

4290525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4290525 is a deficient number, since it is larger than the sum of its proper divisors (3394685).

4290525 is a wasteful number, since it uses less digits than its factorization.

4290525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19085 (or 19077 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4290525 is about 2071.3582500379. The cubic root of 4290525 is about 162.4938064701.

The spelling of 4290525 in words is "four million, two hundred ninety thousand, five hundred twenty-five".