1065658801 has 2 divisors, whose sum is σ = 1065658802. Its totient is φ = 1065658800.

The previous prime is 1065658799. The next prime is 1065658807. The reversal of 1065658801 is 1088565601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 879063201 + 186595600 = 29649^2 + 13660^2 .

It is a cyclic number.

It is not a de Polignac number, because 1065658801 - 2¹ = 1065658799 is a prime.

It is a super-2 number, since 2×1065658801² = 2271257360297515202, which contains 22 as substring.

Together with 1065658799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1065658807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532829400 + 532829401.

It is an arithmetic number, because the mean of its divisors is an integer number (532829401).

Almost surely, 2^1065658801 is an apocalyptic number.

It is an amenable number.

1065658801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065658801 is an equidigital number, since it uses as much as digits as its factorization.

1065658801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 1065658801 is about 32644.4298617697. The cubic root of 1065658801 is about 1021.4240013796.

The spelling of 1065658801 in words is "one billion, sixty-five million, six hundred fifty-eight thousand, eight hundred one".