65056403 has 2 divisors, whose sum is σ = 65056404. Its totient is φ = 65056402.

The previous prime is 65056393. The next prime is 65056427. The reversal of 65056403 is 30465056.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65056403 - 2¹⁶ = 64990867 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65053403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32528201 + 32528202.

It is an arithmetic number, because the mean of its divisors is an integer number (32528202).

Almost surely, 2^65056403 is an apocalyptic number.

65056403 is a deficient number, since it is larger than the sum of its proper divisors (1).

65056403 is an equidigital number, since it uses as much as digits as its factorization.

65056403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 65056403 is about 8065.7549553653. The cubic root of 65056403 is about 402.1888401825.

The spelling of 65056403 in words is "sixty-five million, fifty-six thousand, four hundred three".