42531341 has 2 divisors, whose sum is σ = 42531342. Its totient is φ = 42531340.

The previous prime is 42531337. The next prime is 42531361. The reversal of 42531341 is 14313524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35880100 + 6651241 = 5990^2 + 2579^2 .

It is a cyclic number.

It is not a de Polignac number, because 42531341 - 2² = 42531337 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42531311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21265670 + 21265671.

It is an arithmetic number, because the mean of its divisors is an integer number (21265671).

Almost surely, 2^42531341 is an apocalyptic number.

It is an amenable number.

42531341 is a deficient number, since it is larger than the sum of its proper divisors (1).

42531341 is an equidigital number, since it uses as much as digits as its factorization.

42531341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 42531341 is about 6521.6057071859. The cubic root of 42531341 is about 349.0623638222.

Adding to 42531341 its reverse (14313524), we get a palindrome (56844865).

The spelling of 42531341 in words is "forty-two million, five hundred thirty-one thousand, three hundred forty-one".