42520214 has 16 divisors (see below), whose sum is σ = 73241280. Its totient is φ = 18309960.

The previous prime is 42520211. The next prime is 42520217. The reversal of 42520214 is 41202524.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42520211) and next prime (42520217).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42520211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50444 + ... + 51279.

It is an arithmetic number, because the mean of its divisors is an integer number (4577580).

Almost surely, 2^42520214 is an apocalyptic number.

42520214 is a deficient number, since it is larger than the sum of its proper divisors (30721066).

42520214 is a wasteful number, since it uses less digits than its factorization.

42520214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101755.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 42520214 is about 6520.7525639300. The cubic root of 42520214 is about 349.0319207372.

Adding to 42520214 its reverse (41202524), we get a palindrome (83722738).

The spelling of 42520214 in words is "forty-two million, five hundred twenty thousand, two hundred fourteen".