1265530002 has 32 divisors (see below), whose sum is σ = 2767806720. Its totient is φ = 382570320.

The previous prime is 1265529983. The next prime is 1265530009. The reversal of 1265530002 is 2000355621.

It is not an unprimeable number, because it can be changed into a prime (1265530009) 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, 4773 + ... + 50535.

It is an arithmetic number, because the mean of its divisors is an integer number (86493960).

Almost surely, 2^1265530002 is an apocalyptic number.

1265530002 is an abundant number, since it is smaller than the sum of its proper divisors (1502276718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1265530002 is a wasteful number, since it uses less digits than its factorization.

1265530002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46198.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1265530002 is about 35574.2884960473. The cubic root of 1265530002 is about 1081.6601131868.

Adding to 1265530002 its reverse (2000355621), we get a palindrome (3265885623).

The spelling of 1265530002 in words is "one billion, two hundred sixty-five million, five hundred thirty thousand, two".