1325006331 has 16 divisors (see below), whose sum is σ = 1954430208. Its totient is φ = 791722400.

The previous prime is 1325006237. The next prime is 1325006351. The reversal of 1325006331 is 1336005231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1325006331 - 2⁷ = 1325006203 is a prime.

It is a super-2 number, since 2×1325006331² = 3511283554380163122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1325006351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280416 + ... + 285101.

It is an arithmetic number, because the mean of its divisors is an integer number (122151888).

Almost surely, 2^1325006331 is an apocalyptic number.

1325006331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1325006331 is a deficient number, since it is larger than the sum of its proper divisors (629423877).

1325006331 is a wasteful number, since it uses less digits than its factorization.

1325006331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565602.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 1325006331 is about 36400.6364092717. The cubic root of 1325006331 is about 1098.3463668494.

It can be divided in two parts, 132500 and 6331, that added together give a palindrome (138831).

The spelling of 1325006331 in words is "one billion, three hundred twenty-five million, six thousand, three hundred thirty-one".