4202525 has 12 divisors (see below), whose sum is σ = 5267892. Its totient is φ = 3325440.

The previous prime is 4202521. The next prime is 4202567. The reversal of 4202525 is 5252024.

It can be written as a sum of positive squares in 6 ways, for example, as 158404 + 4044121 = 398^2 + 2011^2 .

It is not a de Polignac number, because 4202525 - 2² = 4202521 is a prime.

It is a super-2 number, since 2×4202525² = 35322432751250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4202497 and 4202506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1559 + ... + 3291.

It is an arithmetic number, because the mean of its divisors is an integer number (438991).

Almost surely, 2^4202525 is an apocalyptic number.

It is an amenable number.

4202525 is a deficient number, since it is larger than the sum of its proper divisors (1065367).

4202525 is a wasteful number, since it uses less digits than its factorization.

4202525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840 (or 1835 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 4202525 is about 2050.0060975519. The cubic root of 4202525 is about 161.3751907231.

Adding to 4202525 its reverse (5252024), we get a palindrome (9454549).

It can be divided in two parts, 42025 and 25, that multiplied together give a square (1050625 = 1025²).

The spelling of 4202525 in words is "four million, two hundred two thousand, five hundred twenty-five".