1325445231 has 8 divisors (see below), whose sum is σ = 1927920384. Its totient is φ = 803300120.

The previous prime is 1325445229. The next prime is 1325445257.

1325445231 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 1325445231 - 2¹ = 1325445229 is a prime.

It is a super-2 number, since 2×1325445231² = 3513610120761286722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325445221) 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, 20082471 + ... + 20082536.

It is an arithmetic number, because the mean of its divisors is an integer number (240990048).

Almost surely, 2^1325445231 is an apocalyptic number.

1325445231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1325445231 is a deficient number, since it is larger than the sum of its proper divisors (602475153).

1325445231 is a wasteful number, since it uses less digits than its factorization.

1325445231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40165021.

The product of its digits is 14400, while the sum is 30.

The square root of 1325445231 is about 36406.6646508575. The cubic root of 1325445231 is about 1098.4676268998.

It can be divided in two parts, 13254 and 45231, that added together give a palindrome (58485).

The spelling of 1325445231 in words is "one billion, three hundred twenty-five million, four hundred forty-five thousand, two hundred thirty-one".