1252766500 has 24 divisors (see below), whose sum is σ = 2736043128. Its totient is φ = 501106400.

The previous prime is 1252766467. The next prime is 1252766503. The reversal of 1252766500 is 56672521.

It can be written as a sum of positive squares in 4 ways, for example, as 26646244 + 1226120256 = 5162^2 + 35016^2 .

It is not an unprimeable number, because it can be changed into a prime (1252766503) 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, 1252267 + ... + 1253266.

It is an arithmetic number, because the mean of its divisors is an integer number (114001797).

Almost surely, 2^1252766500 is an apocalyptic number.

1252766500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252766500 is an abundant number, since it is smaller than the sum of its proper divisors (1483276628).

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

1252766500 is a wasteful number, since it uses less digits than its factorization.

1252766500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505552 (or 2505540 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 1252766500 is about 35394.4416540225. The cubic root of 1252766500 is about 1078.0114586024.

The spelling of 1252766500 in words is "one billion, two hundred fifty-two million, seven hundred sixty-six thousand, five hundred".