42525248 has 28 divisors (see below), whose sum is σ = 84647532. Its totient is φ = 21196800.

The previous prime is 42525227. The next prime is 42525251. The reversal of 42525248 is 84252524.

It can be written as a sum of positive squares in 2 ways, for example, as 31449664 + 11075584 = 5608^2 + 3328^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24836 + ... + 26492.

Almost surely, 2^42525248 is an apocalyptic number.

It is an amenable number.

42525248 is a deficient number, since it is larger than the sum of its proper divisors (42122284).

42525248 is a wasteful number, since it uses less digits than its factorization.

42525248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070 (or 2060 counting only the distinct ones).

The product of its digits is 25600, while the sum is 32.

The square root of 42525248 is about 6521.1385508974. The cubic root of 42525248 is about 349.0456942439.

It can be divided in two parts, 4 and 2525248, that added together give a palindrome (2525252).

The spelling of 42525248 in words is "forty-two million, five hundred twenty-five thousand, two hundred forty-eight".