402050893 has 2 divisors, whose sum is σ = 402050894. Its totient is φ = 402050892.

The previous prime is 402050863. The next prime is 402050927. The reversal of 402050893 is 398050204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269386569 + 132664324 = 16413^2 + 11518^2 .

It is a cyclic number.

It is not a de Polignac number, because 402050893 - 2⁹ = 402050381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402050863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201025446 + 201025447.

It is an arithmetic number, because the mean of its divisors is an integer number (201025447).

Almost surely, 2^402050893 is an apocalyptic number.

It is an amenable number.

402050893 is a deficient number, since it is larger than the sum of its proper divisors (1).

402050893 is an equidigital number, since it uses as much as digits as its factorization.

402050893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 402050893 is about 20051.2067716634. The cubic root of 402050893 is about 738.0634127350.

The spelling of 402050893 in words is "four hundred two million, fifty thousand, eight hundred ninety-three".