201454897 has 4 divisors (see below), whose sum is σ = 230234176. Its totient is φ = 172675620.

The previous prime is 201454889. The next prime is 201454933. The reversal of 201454897 is 798454102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201454897 - 2³ = 201454889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201454837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14389629 + ... + 14389642.

It is an arithmetic number, because the mean of its divisors is an integer number (57558544).

Almost surely, 2^201454897 is an apocalyptic number.

It is an amenable number.

201454897 is a deficient number, since it is larger than the sum of its proper divisors (28779279).

201454897 is an equidigital number, since it uses as much as digits as its factorization.

201454897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28779278.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 201454897 is about 14193.4807922511. The cubic root of 201454897 is about 586.2181711602.

The spelling of 201454897 in words is "two hundred one million, four hundred fifty-four thousand, eight hundred ninety-seven".