1326213025 has 12 divisors (see below), whose sum is σ = 1650580864. Its totient is φ = 1057050000.

The previous prime is 1326212989. The next prime is 1326213041. The reversal of 1326213025 is 5203126231.

It is not a de Polignac number, because 1326213025 - 2⁷ = 1326212897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91101 + ... + 104650.

Almost surely, 2^1326213025 is an apocalyptic number.

It is an amenable number.

1326213025 is a deficient number, since it is larger than the sum of its proper divisors (324367839).

1326213025 is a wasteful number, since it uses less digits than its factorization.

1326213025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196032 (or 196027 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1326213025 is about 36417.2078144385. The cubic root of 1326213025 is about 1098.6796899946.

Adding to 1326213025 its reverse (5203126231), we get a palindrome (6529339256).

The spelling of 1326213025 in words is "one billion, three hundred twenty-six million, two hundred thirteen thousand, twenty-five".