1053260403 has 16 divisors (see below), whose sum is σ = 1524289536. Its totient is φ = 643053600.

The previous prime is 1053260323. The next prime is 1053260431. The reversal of 1053260403 is 3040623501.

It is a happy number.

It is not a de Polignac number, because 1053260403 - 2⁸ = 1053260147 is a prime.

It is a super-2 number, since 2×1053260403² = 2218714953055444818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053260473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101373 + ... + 111278.

It is an arithmetic number, because the mean of its divisors is an integer number (95268096).

Almost surely, 2^1053260403 is an apocalyptic number.

1053260403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1053260403 is a deficient number, since it is larger than the sum of its proper divisors (471029133).

1053260403 is a wasteful number, since it uses less digits than its factorization.

1053260403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212794.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1053260403 is about 32453.9736087894. The cubic root of 1053260403 is about 1017.4472893951.

Adding to 1053260403 its reverse (3040623501), we get a palindrome (4093883904).

The spelling of 1053260403 in words is "one billion, fifty-three million, two hundred sixty thousand, four hundred three".