1252530522 has 24 divisors (see below), whose sum is σ = 2873453076. Its totient is φ = 392950656.

The previous prime is 1252530511. The next prime is 1252530571. The reversal of 1252530522 is 2250352521.

1252530522 is a `hidden beast` number, since 125 + 2 + 530 + 5 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1207493001 + 45037521 = 34749^2 + 6711^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2046313 + ... + 2046924.

Almost surely, 2^1252530522 is an apocalyptic number.

1252530522 is an abundant number, since it is smaller than the sum of its proper divisors (1620922554).

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

1252530522 is a wasteful number, since it uses less digits than its factorization.

1252530522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093262 (or 4093259 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1252530522 is about 35391.1079510094. The cubic root of 1252530522 is about 1077.9437676261.

The spelling of 1252530522 in words is "one billion, two hundred fifty-two million, five hundred thirty thousand, five hundred twenty-two".