1053487693 has 2 divisors, whose sum is σ = 1053487694. Its totient is φ = 1053487692.

The previous prime is 1053487679. The next prime is 1053487711. The reversal of 1053487693 is 3967843501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 566535204 + 486952489 = 23802^2 + 22067^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053487693 - 2⁹ = 1053487181 is a prime.

It is a super-2 number, since 2×1053487693² = 2219672638604924498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1053487613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526743846 + 526743847.

It is an arithmetic number, because the mean of its divisors is an integer number (526743847).

Almost surely, 2^1053487693 is an apocalyptic number.

It is an amenable number.

1053487693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053487693 is an equidigital number, since it uses as much as digits as its factorization.

1053487693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 1053487693 is about 32457.4751482613. The cubic root of 1053487693 is about 1017.5204713487.

The spelling of 1053487693 in words is "one billion, fifty-three million, four hundred eighty-seven thousand, six hundred ninety-three".