42737951 has 2 divisors, whose sum is σ = 42737952. Its totient is φ = 42737950.

The previous prime is 42737939. The next prime is 42737957. The reversal of 42737951 is 15973724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42737951 - 2¹⁰ = 42736927 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 (42737957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21368975 + 21368976.

It is an arithmetic number, because the mean of its divisors is an integer number (21368976).

Almost surely, 2^42737951 is an apocalyptic number.

42737951 is a deficient number, since it is larger than the sum of its proper divisors (1).

42737951 is an equidigital number, since it uses as much as digits as its factorization.

42737951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 42737951 is about 6537.4269403183. The cubic root of 42737951 is about 349.6266794977.

The spelling of 42737951 in words is "forty-two million, seven hundred thirty-seven thousand, nine hundred fifty-one".