201253249 has 4 divisors (see below), whose sum is σ = 206692564. Its totient is φ = 195813936.

The previous prime is 201253231. The next prime is 201253267. The reversal of 201253249 is 942352102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 942352102 = 2 ⋅471176051.

It is an interprime number because it is at equal distance from previous prime (201253231) and next prime (201253267).

It can be written as a sum of positive squares in 2 ways, for example, as 184769649 + 16483600 = 13593^2 + 4060^2 .

It is a cyclic number.

It is not a de Polignac number, because 201253249 - 2¹¹ = 201251201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201253219) 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, 2719602 + ... + 2719675.

It is an arithmetic number, because the mean of its divisors is an integer number (51673141).

Almost surely, 2^201253249 is an apocalyptic number.

It is an amenable number.

201253249 is a deficient number, since it is larger than the sum of its proper divisors (5439315).

201253249 is an equidigital number, since it uses as much as digits as its factorization.

201253249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439314.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 201253249 is about 14186.3754708523. The cubic root of 201253249 is about 586.0225125016.

The spelling of 201253249 in words is "two hundred one million, two hundred fifty-three thousand, two hundred forty-nine".