1053646403 has 2 divisors, whose sum is σ = 1053646404. Its totient is φ = 1053646402.

The previous prime is 1053646397. The next prime is 1053646427. The reversal of 1053646403 is 3046463501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1053646403 - 2¹⁰ = 1053645379 is a prime.

It is a super-2 number, since 2×1053646403² = 2220341485109676818, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1053646403.

It is not a weakly prime, because it can be changed into another prime (1053606403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526823201 + 526823202.

It is an arithmetic number, because the mean of its divisors is an integer number (526823202).

Almost surely, 2^1053646403 is an apocalyptic number.

1053646403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053646403 is an equidigital number, since it uses as much as digits as its factorization.

1053646403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 1053646403 is about 32459.9199475291. The cubic root of 1053646403 is about 1017.5715659386.

The spelling of 1053646403 in words is "one billion, fifty-three million, six hundred forty-six thousand, four hundred three".