5251265266 has 16 divisors (see below), whose sum is σ = 8484787584. Its totient is φ = 2423096784.

The previous prime is 5251265249. The next prime is 5251265267. The reversal of 5251265266 is 6625621525.

It is not an unprimeable number, because it can be changed into a prime (5251265267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103245 + ... + 145471.

It is an arithmetic number, because the mean of its divisors is an integer number (530299224).

Almost surely, 2^5251265266 is an apocalyptic number.

5251265266 is a deficient number, since it is larger than the sum of its proper divisors (3233522318).

5251265266 is a wasteful number, since it uses less digits than its factorization.

5251265266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47025.

The product of its digits is 216000, while the sum is 40.

The square root of 5251265266 is about 72465.6143698513. The cubic root of 5251265266 is about 1738.1529333974.

The spelling of 5251265266 in words is "five billion, two hundred fifty-one million, two hundred sixty-five thousand, two hundred sixty-six".