42522137 has 4 divisors (see below), whose sum is σ = 48596736. Its totient is φ = 36447540.

The previous prime is 42522131. The next prime is 42522143. The reversal of 42522137 is 73122524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (42522131) and next prime (42522143).

It is a cyclic number.

It is not a de Polignac number, because 42522137 - 2¹² = 42518041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42522131) 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 in 3 ways as a sum of consecutive naturals, for example, 3037289 + ... + 3037302.

It is an arithmetic number, because the mean of its divisors is an integer number (12149184).

Almost surely, 2^42522137 is an apocalyptic number.

It is an amenable number.

42522137 is a deficient number, since it is larger than the sum of its proper divisors (6074599).

42522137 is an equidigital number, since it uses as much as digits as its factorization.

42522137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6074598.

The product of its digits is 3360, while the sum is 26.

The square root of 42522137 is about 6520.9000145685. The cubic root of 42522137 is about 349.0371823779.

The spelling of 42522137 in words is "forty-two million, five hundred twenty-two thousand, one hundred thirty-seven".