39242051 has 2 divisors, whose sum is σ = 39242052. Its totient is φ = 39242050.

The previous prime is 39242023. The next prime is 39242053. The reversal of 39242051 is 15024293.

It is a strong prime.

It is an emirp because it is prime and its reverse (15024293) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39242051 - 2⁶ = 39241987 is a prime.

It is a Sophie Germain prime.

Together with 39242053, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_2390264 and since 39242051 and 2390264 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39242051.

It is not a weakly prime, because it can be changed into another prime (39242053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19621025 + 19621026.

It is an arithmetic number, because the mean of its divisors is an integer number (19621026).

Almost surely, 2^39242051 is an apocalyptic number.

39242051 is a deficient number, since it is larger than the sum of its proper divisors (1).

39242051 is an equidigital number, since it uses as much as digits as its factorization.

39242051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 39242051 is about 6264.3476116831. The cubic root of 39242051 is about 339.8212757338.

The spelling of 39242051 in words is "thirty-nine million, two hundred forty-two thousand, fifty-one".