42266501 has 4 divisors (see below), whose sum is σ = 42801600. Its totient is φ = 41731404.

The previous prime is 42266461. The next prime is 42266533. The reversal of 42266501 is 10566224.

42266501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 42266501 - 2¹⁸ = 42004357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42266551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267431 + ... + 267588.

It is an arithmetic number, because the mean of its divisors is an integer number (10700400).

Almost surely, 2^42266501 is an apocalyptic number.

It is an amenable number.

42266501 is a deficient number, since it is larger than the sum of its proper divisors (535099).

42266501 is an equidigital number, since it uses as much as digits as its factorization.

42266501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535098.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 42266501 is about 6501.2691837825. The cubic root of 42266501 is about 348.3363248956.

The spelling of 42266501 in words is "forty-two million, two hundred sixty-six thousand, five hundred one".