83641403 has 2 divisors, whose sum is σ = 83641404. Its totient is φ = 83641402.

The previous prime is 83641387. The next prime is 83641457. The reversal of 83641403 is 30414638.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83641403 - 2⁴ = 83641387 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (83641463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41820701 + 41820702.

It is an arithmetic number, because the mean of its divisors is an integer number (41820702).

Almost surely, 2^83641403 is an apocalyptic number.

83641403 is a deficient number, since it is larger than the sum of its proper divisors (1).

83641403 is an equidigital number, since it uses as much as digits as its factorization.

83641403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 83641403 is about 9145.5673962855. The cubic root of 83641403 is about 437.3278177415.

The spelling of 83641403 in words is "eighty-three million, six hundred forty-one thousand, four hundred three".