42052379 has 2 divisors, whose sum is σ = 42052380. Its totient is φ = 42052378.

The previous prime is 42052369. The next prime is 42052403. The reversal of 42052379 is 97325024.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42052379 - 2¹² = 42048283 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42052319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21026189 + 21026190.

It is an arithmetic number, because the mean of its divisors is an integer number (21026190).

Almost surely, 2^42052379 is an apocalyptic number.

42052379 is a deficient number, since it is larger than the sum of its proper divisors (1).

42052379 is an equidigital number, since it uses as much as digits as its factorization.

42052379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 42052379 is about 6484.7805668349. The cubic root of 42052379 is about 347.7471050950.

The spelling of 42052379 in words is "forty-two million, fifty-two thousand, three hundred seventy-nine".