42590413 has 4 divisors (see below), whose sum is σ = 43496640. Its totient is φ = 41684188.

The previous prime is 42590399. The next prime is 42590437. The reversal of 42590413 is 31409524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42590413 - 2¹⁷ = 42459341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42593413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453043 + ... + 453136.

It is an arithmetic number, because the mean of its divisors is an integer number (10874160).

Almost surely, 2^42590413 is an apocalyptic number.

It is an amenable number.

42590413 is a deficient number, since it is larger than the sum of its proper divisors (906227).

42590413 is an equidigital number, since it uses as much as digits as its factorization.

42590413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906226.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 42590413 is about 6526.1330816955. The cubic root of 42590413 is about 349.2238939041.

Adding to 42590413 its reverse (31409524), we get a palindrome (73999937).

The spelling of 42590413 in words is "forty-two million, five hundred ninety thousand, four hundred thirteen".