1325269945 has 16 divisors (see below), whose sum is σ = 1603537920. Its totient is φ = 1051444800.

The previous prime is 1325269943. The next prime is 1325269949. The reversal of 1325269945 is 5499625231.

It is not a de Polignac number, because 1325269945 - 2¹ = 1325269943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1325269895 and 1325269904.

It is not an unprimeable number, because it can be changed into a prime (1325269943) 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, 308160 + ... + 312430.

It is an arithmetic number, because the mean of its divisors is an integer number (100221120).

Almost surely, 2^1325269945 is an apocalyptic number.

It is an amenable number.

1325269945 is a deficient number, since it is larger than the sum of its proper divisors (278267975).

1325269945 is a wasteful number, since it uses less digits than its factorization.

1325269945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4776.

The product of its digits is 583200, while the sum is 46.

The square root of 1325269945 is about 36404.2572373067. The cubic root of 1325269945 is about 1098.4192017919.

The spelling of 1325269945 in words is "one billion, three hundred twenty-five million, two hundred sixty-nine thousand, nine hundred forty-five".