1052163421 has 4 divisors (see below), whose sum is σ = 1061996832. Its totient is φ = 1042330012.

The previous prime is 1052163401. The next prime is 1052163433. The reversal of 1052163421 is 1243612501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1052163421 - 2⁵ = 1052163389 is a prime.

It is a super-2 number, since 2×1052163421² = 2214095728980846482, 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 (1052163401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4916545 + ... + 4916758.

It is an arithmetic number, because the mean of its divisors is an integer number (265499208).

Almost surely, 2^1052163421 is an apocalyptic number.

It is an amenable number.

1052163421 is a deficient number, since it is larger than the sum of its proper divisors (9833411).

1052163421 is an equidigital number, since it uses as much as digits as its factorization.

1052163421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9833410.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1052163421 is about 32437.0686252627. The cubic root of 1052163421 is about 1017.0939392747.

Adding to 1052163421 its reverse (1243612501), we get a palindrome (2295775922).

The spelling of 1052163421 in words is "one billion, fifty-two million, one hundred sixty-three thousand, four hundred twenty-one".