201287453 has 2 divisors, whose sum is σ = 201287454. Its totient is φ = 201287452.

The previous prime is 201287447. The next prime is 201287543. The reversal of 201287453 is 354782102.

Together with next prime (201287543) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 182304004 + 18983449 = 13502^2 + 4357^2 .

It is a cyclic number.

It is not a de Polignac number, because 201287453 - 2¹⁰ = 201286429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201287423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100643726 + 100643727.

It is an arithmetic number, because the mean of its divisors is an integer number (100643727).

Almost surely, 2^201287453 is an apocalyptic number.

It is an amenable number.

201287453 is a deficient number, since it is larger than the sum of its proper divisors (1).

201287453 is an equidigital number, since it uses as much as digits as its factorization.

201287453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 201287453 is about 14187.5809425004. The cubic root of 201287453 is about 586.0557097770.

The spelling of 201287453 in words is "two hundred one million, two hundred eighty-seven thousand, four hundred fifty-three".