1265065532 has 6 divisors (see below), whose sum is σ = 2213864688. Its totient is φ = 632532764.

The previous prime is 1265065517. The next prime is 1265065541. The reversal of 1265065532 is 2355605621.

It is a junction number, because it is equal to n+sod(n) for n = 1265065492 and 1265065501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158133188 + ... + 158133195.

It is an arithmetic number, because the mean of its divisors is an integer number (368977448).

Almost surely, 2^1265065532 is an apocalyptic number.

It is an amenable number.

1265065532 is a deficient number, since it is larger than the sum of its proper divisors (948799156).

1265065532 is a wasteful number, since it uses less digits than its factorization.

1265065532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316266387 (or 316266385 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 1265065532 is about 35567.7597270337. The cubic root of 1265065532 is about 1081.5277680699.

The spelling of 1265065532 in words is "one billion, two hundred sixty-five million, sixty-five thousand, five hundred thirty-two".