605434157 has 2 divisors, whose sum is σ = 605434158. Its totient is φ = 605434156.

The previous prime is 605434147. The next prime is 605434169. The reversal of 605434157 is 751434506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 577248676 + 28185481 = 24026^2 + 5309^2 .

It is a cyclic number.

It is not a de Polignac number, because 605434157 - 2¹⁰ = 605433133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605434127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302717078 + 302717079.

It is an arithmetic number, because the mean of its divisors is an integer number (302717079).

Almost surely, 2^605434157 is an apocalyptic number.

It is an amenable number.

605434157 is a deficient number, since it is larger than the sum of its proper divisors (1).

605434157 is an equidigital number, since it uses as much as digits as its factorization.

605434157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 605434157 is about 24605.5716657833. The cubic root of 605434157 is about 845.9713195888.

The spelling of 605434157 in words is "six hundred five million, four hundred thirty-four thousand, one hundred fifty-seven".