43411157 has 2 divisors, whose sum is σ = 43411158. Its totient is φ = 43411156.

The previous prime is 43411139. The next prime is 43411171. The reversal of 43411157 is 75111434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38056561 + 5354596 = 6169^2 + 2314^2 .

It is a cyclic number.

It is not a de Polignac number, because 43411157 - 2¹² = 43407061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43411177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21705578 + 21705579.

It is an arithmetic number, because the mean of its divisors is an integer number (21705579).

Almost surely, 2^43411157 is an apocalyptic number.

It is an amenable number.

43411157 is a deficient number, since it is larger than the sum of its proper divisors (1).

43411157 is an equidigital number, since it uses as much as digits as its factorization.

43411157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 26.

The square root of 43411157 is about 6588.7143662478. The cubic root of 43411157 is about 351.4528911450.

The spelling of 43411157 in words is "forty-three million, four hundred eleven thousand, one hundred fifty-seven".