42520199 has 2 divisors, whose sum is σ = 42520200. Its totient is φ = 42520198.

The previous prime is 42520187. The next prime is 42520211. The reversal of 42520199 is 99102524.

It is a balanced prime because it is at equal distance from previous prime (42520187) and next prime (42520211).

It is a cyclic number.

It is not a de Polignac number, because 42520199 - 2⁴ = 42520183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42520129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21260099 + 21260100.

It is an arithmetic number, because the mean of its divisors is an integer number (21260100).

Almost surely, 2^42520199 is an apocalyptic number.

42520199 is a deficient number, since it is larger than the sum of its proper divisors (1).

42520199 is an equidigital number, since it uses as much as digits as its factorization.

42520199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 42520199 is about 6520.7514137559. The cubic root of 42520199 is about 349.0318796942.

The spelling of 42520199 in words is "forty-two million, five hundred twenty thousand, one hundred ninety-nine".