163252741 has 2 divisors, whose sum is σ = 163252742. Its totient is φ = 163252740.

The previous prime is 163252729. The next prime is 163252757. The reversal of 163252741 is 147252361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153512100 + 9740641 = 12390^2 + 3121^2 .

It is a cyclic number.

It is not a de Polignac number, because 163252741 - 2⁷ = 163252613 is a prime.

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

It is equal to p_9146524 and since 163252741 and 9146524 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163250741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81626370 + 81626371.

It is an arithmetic number, because the mean of its divisors is an integer number (81626371).

Almost surely, 2^163252741 is an apocalyptic number.

It is an amenable number.

163252741 is a deficient number, since it is larger than the sum of its proper divisors (1).

163252741 is an equidigital number, since it uses as much as digits as its factorization.

163252741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 163252741 is about 12777.0396023492. The cubic root of 163252741 is about 546.5377450215.

The spelling of 163252741 in words is "one hundred sixty-three million, two hundred fifty-two thousand, seven hundred forty-one".