201344461 has 4 divisors (see below), whose sum is σ = 210098592. Its totient is φ = 192590332.

The previous prime is 201344453. The next prime is 201344467. The reversal of 201344461 is 164443102.

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, and also an emirpimes, since its reverse is a distinct semiprime: 164443102 = 2 ⋅82221551.

It is a cyclic number.

It is not a de Polignac number, because 201344461 - 2³ = 201344453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201344467) 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, 4377031 + ... + 4377076.

It is an arithmetic number, because the mean of its divisors is an integer number (52524648).

Almost surely, 2^201344461 is an apocalyptic number.

It is an amenable number.

201344461 is a deficient number, since it is larger than the sum of its proper divisors (8754131).

201344461 is an equidigital number, since it uses as much as digits as its factorization.

201344461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8754130.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 201344461 is about 14189.5898813179. The cubic root of 201344461 is about 586.1110315069. Note that the first 3 decimals are identical.

Adding to 201344461 its reverse (164443102), we get a palindrome (365787563).

The spelling of 201344461 in words is "two hundred one million, three hundred forty-four thousand, four hundred sixty-one".