1265545352 has 32 divisors (see below), whose sum is σ = 2400257880. Its totient is φ = 625497600.

The previous prime is 1265545327. The next prime is 1265545367. The reversal of 1265545352 is 2535455621.

It can be written as a sum of positive squares in 4 ways, for example, as 1062368836 + 203176516 = 32594^2 + 14254^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882428 + ... + 883860.

Almost surely, 2^1265545352 is an apocalyptic number.

It is an amenable number.

1265545352 is a deficient number, since it is larger than the sum of its proper divisors (1134712528).

1265545352 is a wasteful number, since it uses less digits than its factorization.

1265545352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633 (or 2629 counting only the distinct ones).

The product of its digits is 180000, while the sum is 38.

The square root of 1265545352 is about 35574.5042410994. The cubic root of 1265545352 is about 1081.6644864311.

The spelling of 1265545352 in words is "one billion, two hundred sixty-five million, five hundred forty-five thousand, three hundred fifty-two".