42052499 has 2 divisors, whose sum is σ = 42052500. Its totient is φ = 42052498.

The previous prime is 42052477. The next prime is 42052513. The reversal of 42052499 is 99425024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42052499 - 2⁸ = 42052243 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42052459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21026249 + 21026250.

It is an arithmetic number, because the mean of its divisors is an integer number (21026250).

Almost surely, 2^42052499 is an apocalyptic number.

42052499 is a deficient number, since it is larger than the sum of its proper divisors (1).

42052499 is an equidigital number, since it uses as much as digits as its factorization.

42052499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 42052499 is about 6484.7898192617. The cubic root of 42052499 is about 347.7474358699.

The spelling of 42052499 in words is "forty-two million, fifty-two thousand, four hundred ninety-nine".