201494901 has 8 divisors (see below), whose sum is σ = 268763040. Its totient is φ = 134278352.

The previous prime is 201494879. The next prime is 201494903. The reversal of 201494901 is 109494102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201494901 - 2²⁷ = 67277173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201494903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2610 + ... + 20243.

It is an arithmetic number, because the mean of its divisors is an integer number (33595380).

Almost surely, 2^201494901 is an apocalyptic number.

It is an amenable number.

201494901 is a deficient number, since it is larger than the sum of its proper divisors (67268139).

201494901 is a wasteful number, since it uses less digits than its factorization.

201494901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25795.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 201494901 is about 14194.8899608275. The cubic root of 201494901 is about 586.2569714408.

The spelling of 201494901 in words is "two hundred one million, four hundred ninety-four thousand, nine hundred one".