1040454263 has 2 divisors, whose sum is σ = 1040454264. Its totient is φ = 1040454262.

The previous prime is 1040454251. The next prime is 1040454329. The reversal of 1040454263 is 3624540401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1040454263 - 2²⁴ = 1023677047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040454223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520227131 + 520227132.

It is an arithmetic number, because the mean of its divisors is an integer number (520227132).

Almost surely, 2^1040454263 is an apocalyptic number.

1040454263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040454263 is an equidigital number, since it uses as much as digits as its factorization.

1040454263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1040454263 is about 32256.0732731063. The cubic root of 1040454263 is about 1013.3068954345.

Adding to 1040454263 its reverse (3624540401), we get a palindrome (4664994664).

The spelling of 1040454263 in words is "one billion, forty million, four hundred fifty-four thousand, two hundred sixty-three".