201253345 has 4 divisors (see below), whose sum is σ = 241504020. Its totient is φ = 161002672.

The previous prime is 201253343. The next prime is 201253363. The reversal of 201253345 is 543352102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543352102 = 2 ⋅271676051.

It can be written as a sum of positive squares in 2 ways, for example, as 24443136 + 176810209 = 4944^2 + 13297^2 .

It is a cyclic number.

It is not a de Polignac number, because 201253345 - 2¹ = 201253343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201253343) 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, 20125330 + ... + 20125339.

It is an arithmetic number, because the mean of its divisors is an integer number (60376005).

Almost surely, 2^201253345 is an apocalyptic number.

It is an amenable number.

201253345 is a deficient number, since it is larger than the sum of its proper divisors (40250675).

201253345 is an equidigital number, since it uses as much as digits as its factorization.

201253345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40250674.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 201253345 is about 14186.3788543800. The cubic root of 201253345 is about 586.0226056813.

The spelling of 201253345 in words is "two hundred one million, two hundred fifty-three thousand, three hundred forty-five".