201601253 has 8 divisors (see below), whose sum is σ = 233558208. Its totient is φ = 170433504.

The previous prime is 201601247. The next prime is 201601261. The reversal of 201601253 is 352106102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201601253 is a prime.

It is a super-2 number, since 2×201601253² = 81286130422340018, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201601553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196751 + ... + 197772.

It is an arithmetic number, because the mean of its divisors is an integer number (29194776).

Almost surely, 2^201601253 is an apocalyptic number.

It is an amenable number.

201601253 is a deficient number, since it is larger than the sum of its proper divisors (31956955).

201601253 is an equidigital number, since it uses as much as digits as its factorization.

201601253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394603.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 201601253 is about 14198.6356034656. The cubic root of 201601253 is about 586.3600983432.

Adding to 201601253 its reverse (352106102), we get a palindrome (553707355).

The spelling of 201601253 in words is "two hundred one million, six hundred one thousand, two hundred fifty-three".