34203157 has 2 divisors, whose sum is σ = 34203158. Its totient is φ = 34203156.

The previous prime is 34203121. The next prime is 34203163. The reversal of 34203157 is 75130243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32103556 + 2099601 = 5666^2 + 1449^2 .

It is an emirp because it is prime and its reverse (75130243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34203157 - 2²³ = 25814549 is a prime.

It is equal to p_2100967 and since 34203157 and 2100967 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 (34206157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17101578 + 17101579.

It is an arithmetic number, because the mean of its divisors is an integer number (17101579).

Almost surely, 2^34203157 is an apocalyptic number.

It is an amenable number.

34203157 is a deficient number, since it is larger than the sum of its proper divisors (1).

34203157 is an equidigital number, since it uses as much as digits as its factorization.

34203157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 34203157 is about 5848.3465184614. The cubic root of 34203157 is about 324.6051441363.

The spelling of 34203157 in words is "thirty-four million, two hundred three thousand, one hundred fifty-seven".