949256141 has 2 divisors, whose sum is σ = 949256142. Its totient is φ = 949256140.

The previous prime is 949256059. The next prime is 949256167. The reversal of 949256141 is 141652949.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 929640100 + 19616041 = 30490^2 + 4429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-949256141 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (949256041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474628070 + 474628071.

It is an arithmetic number, because the mean of its divisors is an integer number (474628071).

Almost surely, 2^949256141 is an apocalyptic number.

It is an amenable number.

949256141 is a deficient number, since it is larger than the sum of its proper divisors (1).

949256141 is an equidigital number, since it uses as much as digits as its factorization.

949256141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 949256141 is about 30810.0006653684. Note that the first 3 decimals coincide. The cubic root of 949256141 is about 982.7909269738.

Subtracting from 949256141 its sum of digits (41), we obtain a square (949256100 = 30810²).

The spelling of 949256141 in words is "nine hundred forty-nine million, two hundred fifty-six thousand, one hundred forty-one".