201354553 has 2 divisors, whose sum is σ = 201354554. Its totient is φ = 201354552.

The previous prime is 201354521. The next prime is 201354589. The reversal of 201354553 is 355453102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192432384 + 8922169 = 13872^2 + 2987^2 .

It is a cyclic number.

It is not a de Polignac number, because 201354553 - 2⁵ = 201354521 is a prime.

It is not a weakly prime, because it can be changed into another prime (201354653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100677276 + 100677277.

It is an arithmetic number, because the mean of its divisors is an integer number (100677277).

Almost surely, 2^201354553 is an apocalyptic number.

It is an amenable number.

201354553 is a deficient number, since it is larger than the sum of its proper divisors (1).

201354553 is an equidigital number, since it uses as much as digits as its factorization.

201354553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 201354553 is about 14189.9454896768. The cubic root of 201354553 is about 586.1208239023.

The spelling of 201354553 in words is "two hundred one million, three hundred fifty-four thousand, five hundred fifty-three".