1325475656 has 16 divisors (see below), whose sum is σ = 2485669740. Its totient is φ = 662630400.

The previous prime is 1325475647. The next prime is 1325475707. The reversal of 1325475656 is 6565745231.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1293553156 + 31922500 = 35966^2 + 5650^2 .

It is a super-3 number, since 3×1325475656³ (a number of 28 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68180 + ... + 85436.

Almost surely, 2^1325475656 is an apocalyptic number.

It is an amenable number.

1325475656 is a deficient number, since it is larger than the sum of its proper divisors (1160194084).

1325475656 is a wasteful number, since it uses less digits than its factorization.

1325475656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26864 (or 26860 counting only the distinct ones).

The product of its digits is 756000, while the sum is 44.

The square root of 1325475656 is about 36407.0824977778. The cubic root of 1325475656 is about 1098.4760317791.

The spelling of 1325475656 in words is "one billion, three hundred twenty-five million, four hundred seventy-five thousand, six hundred fifty-six".