42337957 has 2 divisors, whose sum is σ = 42337958. Its totient is φ = 42337956.

The previous prime is 42337951. The next prime is 42337961. The reversal of 42337957 is 75973324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33570436 + 8767521 = 5794^2 + 2961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42337957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42337951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21168978 + 21168979.

It is an arithmetic number, because the mean of its divisors is an integer number (21168979).

Almost surely, 2^42337957 is an apocalyptic number.

It is an amenable number.

42337957 is a deficient number, since it is larger than the sum of its proper divisors (1).

42337957 is an equidigital number, since it uses as much as digits as its factorization.

42337957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 40.

The square root of 42337957 is about 6506.7624053749. The cubic root of 42337957 is about 348.5325142040.

The spelling of 42337957 in words is "forty-two million, three hundred thirty-seven thousand, nine hundred fifty-seven".