8149553 has 2 divisors, whose sum is σ = 8149554. Its totient is φ = 8149552.

The previous prime is 8149543. The next prime is 8149571. The reversal of 8149553 is 3559418.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5094049 + 3055504 = 2257^2 + 1748^2 .

It is a cyclic number.

It is not a de Polignac number, because 8149553 - 2¹² = 8145457 is a prime.

It is not a weakly prime, because it can be changed into another prime (8149543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4074776 + 4074777.

It is an arithmetic number, because the mean of its divisors is an integer number (4074777).

Almost surely, 2^8149553 is an apocalyptic number.

It is an amenable number.

8149553 is a deficient number, since it is larger than the sum of its proper divisors (1).

8149553 is an equidigital number, since it uses as much as digits as its factorization.

8149553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 35.

The square root of 8149553 is about 2854.7421950152. The cubic root of 8149553 is about 201.2385886564.

The spelling of 8149553 in words is "eight million, one hundred forty-nine thousand, five hundred fifty-three".