201453487 has 2 divisors, whose sum is σ = 201453488. Its totient is φ = 201453486.

The previous prime is 201453443. The next prime is 201453491. The reversal of 201453487 is 784354102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201453487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201453437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100726743 + 100726744.

It is an arithmetic number, because the mean of its divisors is an integer number (100726744).

Almost surely, 2^201453487 is an apocalyptic number.

201453487 is a deficient number, since it is larger than the sum of its proper divisors (1).

201453487 is an equidigital number, since it uses as much as digits as its factorization.

201453487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 201453487 is about 14193.4311214731. The cubic root of 201453487 is about 586.2168034934.

It can be divided in two parts, 20145 and 3487, that added together give a palindrome (23632).

The spelling of 201453487 in words is "two hundred one million, four hundred fifty-three thousand, four hundred eighty-seven".