235407157 has 2 divisors, whose sum is σ = 235407158. Its totient is φ = 235407156.

The previous prime is 235407121. The next prime is 235407163. The reversal of 235407157 is 751704532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189723076 + 45684081 = 13774^2 + 6759^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235407157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235407167) 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, 117703578 + 117703579.

It is an arithmetic number, because the mean of its divisors is an integer number (117703579).

Almost surely, 2^235407157 is an apocalyptic number.

It is an amenable number.

235407157 is a deficient number, since it is larger than the sum of its proper divisors (1).

235407157 is an equidigital number, since it uses as much as digits as its factorization.

235407157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 235407157 is about 15342.9839666214. The cubic root of 235407157 is about 617.4567663022.

The spelling of 235407157 in words is "two hundred thirty-five million, four hundred seven thousand, one hundred fifty-seven".