4525426 has 4 divisors (see below), whose sum is σ = 6788142. Its totient is φ = 2262712.

The previous prime is 4525399. The next prime is 4525427. The reversal of 4525426 is 6245254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6245254 = 2 ⋅3122627.

It can be written as a sum of positive squares in only one way, i.e., 4515625 + 9801 = 2125^2 + 99^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁴ + 5² + 2¹⁸ + 5⁵ + 4⁸ + 2²² + 6² .

It is a junction number, because it is equal to n+sod(n) for n = 4525394 and 4525403.

It is not an unprimeable number, because it can be changed into a prime (4525427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1131355 + ... + 1131358.

Almost surely, 2^4525426 is an apocalyptic number.

4525426 is a deficient number, since it is larger than the sum of its proper divisors (2262716).

4525426 is a wasteful number, since it uses less digits than its factorization.

4525426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262715.

The product of its digits is 9600, while the sum is 28.

The square root of 4525426 is about 2127.3048676671. The cubic root of 4525426 is about 165.4067223544.

The spelling of 4525426 in words is "four million, five hundred twenty-five thousand, four hundred twenty-six".