803861053 has 2 divisors, whose sum is σ = 803861054. Its totient is φ = 803861052.

The previous prime is 803861027. The next prime is 803861081. The reversal of 803861053 is 350168308.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 708251769 + 95609284 = 26613^2 + 9778^2 .

It is a cyclic number.

It is not a de Polignac number, because 803861053 - 2¹⁷ = 803729981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (803861953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401930526 + 401930527.

It is an arithmetic number, because the mean of its divisors is an integer number (401930527).

Almost surely, 2^803861053 is an apocalyptic number.

It is an amenable number.

803861053 is a deficient number, since it is larger than the sum of its proper divisors (1).

803861053 is an equidigital number, since it uses as much as digits as its factorization.

803861053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 803861053 is about 28352.4435102162. The cubic root of 803861053 is about 929.8088222282.

The spelling of 803861053 in words is "eight hundred three million, eight hundred sixty-one thousand, fifty-three".