42525320 has 32 divisors (see below), whose sum is σ = 96059520. Its totient is φ = 16943040.

The previous prime is 42525311. The next prime is 42525341. The reversal of 42525320 is 2352524.

It is a super-2 number, since 2×42525320² = 3616805682204800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8879 + ... + 12801.

It is an arithmetic number, because the mean of its divisors is an integer number (3001860).

Almost surely, 2^42525320 is an apocalyptic number.

42525320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42525320 is an abundant number, since it is smaller than the sum of its proper divisors (53534200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42525320 is a wasteful number, since it uses less digits than its factorization.

42525320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4205 (or 4201 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 42525320 is about 6521.1440714034. The cubic root of 42525320 is about 349.0458912349.

Adding to 42525320 its reverse (2352524), we get a palindrome (44877844).

The spelling of 42525320 in words is "forty-two million, five hundred twenty-five thousand, three hundred twenty".