342015893 has 2 divisors, whose sum is σ = 342015894. Its totient is φ = 342015892.

The previous prime is 342015881. The next prime is 342015899. The reversal of 342015893 is 398510243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264452644 + 77563249 = 16262^2 + 8807^2 .

It is a cyclic number.

It is not a de Polignac number, because 342015893 - 2⁶ = 342015829 is a prime.

It is equal to p_18397421 and since 342015893 and 18397421 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342015899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171007946 + 171007947.

It is an arithmetic number, because the mean of its divisors is an integer number (171007947).

Almost surely, 2^342015893 is an apocalyptic number.

It is an amenable number.

342015893 is a deficient number, since it is larger than the sum of its proper divisors (1).

342015893 is an equidigital number, since it uses as much as digits as its factorization.

342015893 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 342015893 is about 18493.6717014226. The cubic root of 342015893 is about 699.3298981798.

The spelling of 342015893 in words is "three hundred forty-two million, fifteen thousand, eight hundred ninety-three".