1053431403 has 16 divisors (see below), whose sum is σ = 1450534176. Its totient is φ = 679518720.

The previous prime is 1053431399. The next prime is 1053431437. The reversal of 1053431403 is 3041343501.

It is a happy number.

It is not a de Polignac number, because 1053431403 - 2² = 1053431399 is a prime.

It is a super-2 number, since 2×1053431403² = 2219435441653096818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053431453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6126 + ... + 46307.

It is an arithmetic number, because the mean of its divisors is an integer number (90658386).

Almost surely, 2^1053431403 is an apocalyptic number.

1053431403 is a deficient number, since it is larger than the sum of its proper divisors (397102773).

1053431403 is a wasteful number, since it uses less digits than its factorization.

1053431403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52654.

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

The square root of 1053431403 is about 32456.6080020695. The cubic root of 1053431403 is about 1017.5023482933.

Adding to 1053431403 its reverse (3041343501), we get a palindrome (4094774904).

The spelling of 1053431403 in words is "one billion, fifty-three million, four hundred thirty-one thousand, four hundred three".