1610543453 has 2 divisors, whose sum is σ = 1610543454. Its totient is φ = 1610543452.

The previous prime is 1610543443. The next prime is 1610543471. The reversal of 1610543453 is 3543450161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1578711289 + 31832164 = 39733^2 + 5642^2 .

It is a cyclic number.

It is not a de Polignac number, because 1610543453 - 2²⁰ = 1609494877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1610543443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805271726 + 805271727.

It is an arithmetic number, because the mean of its divisors is an integer number (805271727).

Almost surely, 2^1610543453 is an apocalyptic number.

It is an amenable number.

1610543453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610543453 is an equidigital number, since it uses as much as digits as its factorization.

1610543453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1610543453 is about 40131.5767569628. The cubic root of 1610543453 is about 1172.1705763153.

The spelling of 1610543453 in words is "one billion, six hundred ten million, five hundred forty-three thousand, four hundred fifty-three".