42502211 has 4 divisors (see below), whose sum is σ = 42521424. Its totient is φ = 42483000.

The previous prime is 42502157. The next prime is 42502223. The reversal of 42502211 is 11220524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42502211 - 2¹⁴ = 42485827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42502211.

It is not an unprimeable number, because it can be changed into a prime (42502111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5780 + ... + 10881.

It is an arithmetic number, because the mean of its divisors is an integer number (10630356).

Almost surely, 2^42502211 is an apocalyptic number.

42502211 is a deficient number, since it is larger than the sum of its proper divisors (19213).

42502211 is a wasteful number, since it uses less digits than its factorization.

42502211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19212.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 42502211 is about 6519.3719789563. The cubic root of 42502211 is about 348.9826539053.

Adding to 42502211 its reverse (11220524), we get a palindrome (53722735).

The spelling of 42502211 in words is "forty-two million, five hundred two thousand, two hundred eleven".