36401001 has 16 divisors (see below), whose sum is σ = 59735424. Its totient is φ = 19200384.

The previous prime is 36400999. The next prime is 36401009. The reversal of 36401001 is 10010463.

It is not a de Polignac number, because 36401001 - 2¹ = 36400999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36401009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66396 + ... + 66941.

It is an arithmetic number, because the mean of its divisors is an integer number (3733464).

Almost surely, 2^36401001 is an apocalyptic number.

It is an amenable number.

36401001 is a deficient number, since it is larger than the sum of its proper divisors (23334423).

36401001 is a wasteful number, since it uses less digits than its factorization.

36401001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133360.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 36401001 is about 6033.3242080962. The cubic root of 36401001 is about 331.4141971765.

Adding to 36401001 its reverse (10010463), we get a palindrome (46411464).

The spelling of 36401001 in words is "thirty-six million, four hundred one thousand, one".