42537799 has 2 divisors, whose sum is σ = 42537800. Its totient is φ = 42537798.

The previous prime is 42537769. The next prime is 42537821. The reversal of 42537799 is 99773524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42537799 - 2⁵ = 42537767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42537769) 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, 21268899 + 21268900.

It is an arithmetic number, because the mean of its divisors is an integer number (21268900).

Almost surely, 2^42537799 is an apocalyptic number.

42537799 is a deficient number, since it is larger than the sum of its proper divisors (1).

42537799 is an equidigital number, since it uses as much as digits as its factorization.

42537799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 46.

The square root of 42537799 is about 6522.1008118550. The cubic root of 42537799 is about 349.0800302505.

The spelling of 42537799 in words is "forty-two million, five hundred thirty-seven thousand, seven hundred ninety-nine".