42525226 has 16 divisors (see below), whose sum is σ = 64995840. Its totient is φ = 20863440.

The previous prime is 42525199. The next prime is 42525227. The reversal of 42525226 is 62252524.

It is a junction number, because it is equal to n+sod(n) for n = 42525194 and 42525203.

It is not an unprimeable number, because it can be changed into a prime (42525227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27855 + ... + 29341.

It is an arithmetic number, because the mean of its divisors is an integer number (4062240).

Almost surely, 2^42525226 is an apocalyptic number.

42525226 is a deficient number, since it is larger than the sum of its proper divisors (22470614).

42525226 is a wasteful number, since it uses less digits than its factorization.

42525226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749.

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

The square root of 42525226 is about 6521.1368640752. The cubic root of 42525226 is about 349.0456340522.

It can be divided in two parts, 425 and 25226, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 42525226 in words is "forty-two million, five hundred twenty-five thousand, two hundred twenty-six".