1052203981 has 2 divisors, whose sum is σ = 1052203982. Its totient is φ = 1052203980.

The previous prime is 1052203973. The next prime is 1052204011. The reversal of 1052203981 is 1893022501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 837581481 + 214622500 = 28941^2 + 14650^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052203981 - 2³ = 1052203973 is a prime.

It is a super-2 number, since 2×1052203981² = 2214266435264496722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052203381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526101990 + 526101991.

It is an arithmetic number, because the mean of its divisors is an integer number (526101991).

Almost surely, 2^1052203981 is an apocalyptic number.

It is an amenable number.

1052203981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052203981 is an equidigital number, since it uses as much as digits as its factorization.

1052203981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1052203981 is about 32437.6938298640. The cubic root of 1052203981 is about 1017.1070084739.

The spelling of 1052203981 in words is "one billion, fifty-two million, two hundred three thousand, nine hundred eighty-one".