42651341 has 2 divisors, whose sum is σ = 42651342. Its totient is φ = 42651340.

The previous prime is 42651337. The next prime is 42651397. The reversal of 42651341 is 14315624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42445225 + 206116 = 6515^2 + 454^2 .

It is a cyclic number.

It is not a de Polignac number, because 42651341 - 2² = 42651337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42651341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42651311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21325670 + 21325671.

It is an arithmetic number, because the mean of its divisors is an integer number (21325671).

Almost surely, 2^42651341 is an apocalyptic number.

It is an amenable number.

42651341 is a deficient number, since it is larger than the sum of its proper divisors (1).

42651341 is an equidigital number, since it uses as much as digits as its factorization.

42651341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 26.

The square root of 42651341 is about 6530.7994150793. The cubic root of 42651341 is about 349.3903427498.

Adding to 42651341 its reverse (14315624), we get a palindrome (56966965).

The spelling of 42651341 in words is "forty-two million, six hundred fifty-one thousand, three hundred forty-one".