42590475 has 24 divisors (see below), whose sum is σ = 78241520. Its totient is φ = 22714560.

The previous prime is 42590467. The next prime is 42590477. The reversal of 42590475 is 57409524.

It is not a de Polignac number, because 42590475 - 2³ = 42590467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42590477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30874 + ... + 32223.

Almost surely, 2^42590475 is an apocalyptic number.

42590475 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42590475 is a deficient number, since it is larger than the sum of its proper divisors (35651045).

42590475 is a wasteful number, since it uses less digits than its factorization.

42590475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63116 (or 63105 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 42590475 is about 6526.1378318267. The cubic root of 42590475 is about 349.2240633622.

Adding to 42590475 its reverse (57409524), we get a palindrome (99999999).

The spelling of 42590475 in words is "forty-two million, five hundred ninety thousand, four hundred seventy-five".