1065541401 has 24 divisors (see below), whose sum is σ = 1630025280. Its totient is φ = 669325536.

The previous prime is 1065541397. The next prime is 1065541423. The reversal of 1065541401 is 1041455601.

1065541401 is a `hidden beast` number, since 1 + 0 + 655 + 4 + 1 + 4 + 0 + 1 = 666.

It is not a de Polignac number, because 1065541401 - 2² = 1065541397 is a prime.

It is a super-2 number, since 2×1065541401² = 2270756954490085602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065541601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24546 + ... + 52283.

It is an arithmetic number, because the mean of its divisors is an integer number (67917720).

Almost surely, 2^1065541401 is an apocalyptic number.

It is an amenable number.

1065541401 is a deficient number, since it is larger than the sum of its proper divisors (564483879).

1065541401 is a wasteful number, since it uses less digits than its factorization.

1065541401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76925 (or 76922 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1065541401 is about 32642.6316494243. The cubic root of 1065541401 is about 1021.3864910678.

The spelling of 1065541401 in words is "one billion, sixty-five million, five hundred forty-one thousand, four hundred one".