42453525 has 12 divisors (see below), whose sum is σ = 70189952. Its totient is φ = 22641840.

The previous prime is 42453517. The next prime is 42453529. The reversal of 42453525 is 52535424.

It is not a de Polignac number, because 42453525 - 2³ = 42453517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42453492 and 42453501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42453529) 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, 282949 + ... + 283098.

Almost surely, 2^42453525 is an apocalyptic number.

It is an amenable number.

42453525 is a deficient number, since it is larger than the sum of its proper divisors (27736427).

42453525 is a wasteful number, since it uses less digits than its factorization.

42453525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566060 (or 566055 counting only the distinct ones).

The product of its digits is 24000, while the sum is 30.

The square root of 42453525 is about 6515.6369604207. The cubic root of 42453525 is about 348.8493505567.

Adding to 42453525 its reverse (52535424), we get a palindrome (94988949).

The spelling of 42453525 in words is "forty-two million, four hundred fifty-three thousand, five hundred twenty-five".