1326255425 has 48 divisors (see below), whose sum is σ = 1907235072. Its totient is φ = 904166400.

The previous prime is 1326255421. The next prime is 1326255431. The reversal of 1326255425 is 5245526231.

It is not a de Polignac number, because 1326255425 - 2² = 1326255421 is a prime.

It is a super-3 number, since 3×1326255425³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1326255421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1715339 + ... + 1716111.

It is an arithmetic number, because the mean of its divisors is an integer number (39734064).

Almost surely, 2^1326255425 is an apocalyptic number.

It is an amenable number.

1326255425 is a deficient number, since it is larger than the sum of its proper divisors (580979647).

1326255425 is a wasteful number, since it uses less digits than its factorization.

1326255425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178 (or 1173 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 1326255425 is about 36417.7899521649. The cubic root of 1326255425 is about 1098.6913984008.

The spelling of 1326255425 in words is "one billion, three hundred twenty-six million, two hundred fifty-five thousand, four hundred twenty-five".