402079241 has 2 divisors, whose sum is σ = 402079242. Its totient is φ = 402079240.

The previous prime is 402079201. The next prime is 402079289. The reversal of 402079241 is 142970204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248220025 + 153859216 = 15755^2 + 12404^2 .

It is a cyclic number.

It is not a de Polignac number, because 402079241 - 2¹⁰ = 402078217 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (402079201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201039620 + 201039621.

It is an arithmetic number, because the mean of its divisors is an integer number (201039621).

Almost surely, 2^402079241 is an apocalyptic number.

It is an amenable number.

402079241 is a deficient number, since it is larger than the sum of its proper divisors (1).

402079241 is an equidigital number, since it uses as much as digits as its factorization.

402079241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 402079241 is about 20051.9136493253. The cubic root of 402079241 is about 738.0807589054.

The spelling of 402079241 in words is "four hundred two million, seventy-nine thousand, two hundred forty-one".