1061321253 has 8 divisors (see below), whose sum is σ = 1415433600. Its totient is φ = 707378208.

The previous prime is 1061321221. The next prime is 1061321267. The reversal of 1061321253 is 3521231601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1061321253 - 2⁵ = 1061321221 is a prime.

It is a super-2 number, since 2×1061321253² = 2252805604138980018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061321273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26893 + ... + 53346.

It is an arithmetic number, because the mean of its divisors is an integer number (176929200).

Almost surely, 2^1061321253 is an apocalyptic number.

It is an amenable number.

1061321253 is a deficient number, since it is larger than the sum of its proper divisors (354112347).

1061321253 is an equidigital number, since it uses as much as digits as its factorization.

1061321253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84651.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1061321253 is about 32577.9258547870. The cubic root of 1061321253 is about 1020.0362837919.

Adding to 1061321253 its reverse (3521231601), we get a palindrome (4582552854).

The spelling of 1061321253 in words is "one billion, sixty-one million, three hundred twenty-one thousand, two hundred fifty-three".