201258449 has 4 divisors (see below), whose sum is σ = 230009664. Its totient is φ = 172507236.

The previous prime is 201258439. The next prime is 201258493. The reversal of 201258449 is 944852102.

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 201258449 - 2⁴ = 201258433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201258439) 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, 14375597 + ... + 14375610.

It is an arithmetic number, because the mean of its divisors is an integer number (57502416).

Almost surely, 2^201258449 is an apocalyptic number.

It is an amenable number.

201258449 is a deficient number, since it is larger than the sum of its proper divisors (28751215).

201258449 is an equidigital number, since it uses as much as digits as its factorization.

201258449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28751214.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 201258449 is about 14186.5587441070. The cubic root of 201258449 is about 586.0275596927.

The spelling of 201258449 in words is "two hundred one million, two hundred fifty-eight thousand, four hundred forty-nine".