1053429581 has 4 divisors (see below), whose sum is σ = 1057950972. Its totient is φ = 1048908192.

The previous prime is 1053429571. The next prime is 1053429607. The reversal of 1053429581 is 1859243501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 550324681 + 503104900 = 23459^2 + 22430^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053429581 - 2²² = 1049235277 is a prime.

It is a super-2 number, since 2×1053429581² = 2219427764251671122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053429511) 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 3 ways as a sum of consecutive naturals, for example, 2260346 + ... + 2260811.

It is an arithmetic number, because the mean of its divisors is an integer number (264487743).

Almost surely, 2^1053429581 is an apocalyptic number.

It is an amenable number.

1053429581 is a deficient number, since it is larger than the sum of its proper divisors (4521391).

1053429581 is an equidigital number, since it uses as much as digits as its factorization.

1053429581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521390.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 1053429581 is about 32456.5799338131. The cubic root of 1053429581 is about 1017.5017616737.

The spelling of 1053429581 in words is "one billion, fifty-three million, four hundred twenty-nine thousand, five hundred eighty-one".