1252522562 has 4 divisors (see below), whose sum is σ = 1878783846. Its totient is φ = 626261280.

The previous prime is 1252522559. The next prime is 1252522627. The reversal of 1252522562 is 2652252521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2652252521 = 23 ⋅115315327.

It can be written as a sum of positive squares in only one way, i.e., 1222830961 + 29691601 = 34969^2 + 5449^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313130639 + ... + 313130642.

Almost surely, 2^1252522562 is an apocalyptic number.

1252522562 is a deficient number, since it is larger than the sum of its proper divisors (626261284).

1252522562 is an equidigital number, since it uses as much as digits as its factorization.

1252522562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626261283.

The product of its digits is 24000, while the sum is 32.

The square root of 1252522562 is about 35390.9954932042. The cubic root of 1252522562 is about 1077.9414841287.

The spelling of 1252522562 in words is "one billion, two hundred fifty-two million, five hundred twenty-two thousand, five hundred sixty-two".