434211157 has 2 divisors, whose sum is σ = 434211158. Its totient is φ = 434211156.

The previous prime is 434211131. The next prime is 434211209. The reversal of 434211157 is 751112434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311134321 + 123076836 = 17639^2 + 11094^2 .

It is a cyclic number.

It is not a de Polignac number, because 434211157 - 2¹⁵ = 434178389 is a prime.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217105578 + 217105579.

It is an arithmetic number, because the mean of its divisors is an integer number (217105579).

Almost surely, 2^434211157 is an apocalyptic number.

It is an amenable number.

434211157 is a deficient number, since it is larger than the sum of its proper divisors (1).

434211157 is an equidigital number, since it uses as much as digits as its factorization.

434211157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 28.

The square root of 434211157 is about 20837.7339698922. The cubic root of 434211157 is about 757.2401964244.

The spelling of 434211157 in words is "four hundred thirty-four million, two hundred eleven thousand, one hundred fifty-seven".