201261253 has 2 divisors, whose sum is σ = 201261254. Its totient is φ = 201261252.

The previous prime is 201261223. The next prime is 201261259. The reversal of 201261253 is 352162102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188430529 + 12830724 = 13727^2 + 3582^2 .

It is a cyclic number.

It is not a de Polignac number, because 201261253 - 2¹³ = 201253061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201261259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100630626 + 100630627.

It is an arithmetic number, because the mean of its divisors is an integer number (100630627).

Almost surely, 2^201261253 is an apocalyptic number.

It is an amenable number.

201261253 is a deficient number, since it is larger than the sum of its proper divisors (1).

201261253 is an equidigital number, since it uses as much as digits as its factorization.

201261253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 201261253 is about 14186.6575697026. The cubic root of 201261253 is about 586.0302812574.

The spelling of 201261253 in words is "two hundred one million, two hundred sixty-one thousand, two hundred fifty-three".