42357941 has 2 divisors, whose sum is σ = 42357942. Its totient is φ = 42357940.

The previous prime is 42357923. The next prime is 42357979. The reversal of 42357941 is 14975324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38068900 + 4289041 = 6170^2 + 2071^2 .

It is a cyclic number.

It is not a de Polignac number, because 42357941 - 2¹⁸ = 42095797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42357911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21178970 + 21178971.

It is an arithmetic number, because the mean of its divisors is an integer number (21178971).

Almost surely, 2^42357941 is an apocalyptic number.

It is an amenable number.

42357941 is a deficient number, since it is larger than the sum of its proper divisors (1).

42357941 is an equidigital number, since it uses as much as digits as its factorization.

42357941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 42357941 is about 6508.2978573510. The cubic root of 42357941 is about 348.5873426895.

The spelling of 42357941 in words is "forty-two million, three hundred fifty-seven thousand, nine hundred forty-one".