1252268522 has 8 divisors (see below), whose sum is σ = 1884814596. Its totient is φ = 623996992.

The previous prime is 1252268513. The next prime is 1252268531. The reversal of 1252268522 is 2258622521.

It is an interprime number because it is at equal distance from previous prime (1252268513) and next prime (1252268531).

It can be written as a sum of positive squares in 2 ways, for example, as 1085109481 + 167159041 = 32941^2 + 12929^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067903 + ... + 1069074.

Almost surely, 2^1252268522 is an apocalyptic number.

1252268522 is a deficient number, since it is larger than the sum of its proper divisors (632546074).

1252268522 is a wasteful number, since it uses less digits than its factorization.

1252268522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137272.

The product of its digits is 38400, while the sum is 35.

The square root of 1252268522 is about 35387.4062626805. The cubic root of 1252268522 is about 1077.8686022026.

The spelling of 1252268522 in words is "one billion, two hundred fifty-two million, two hundred sixty-eight thousand, five hundred twenty-two".