1253244522 has 32 divisors (see below), whose sum is σ = 2793614400. Its totient is φ = 372480768.

The previous prime is 1253244497. The next prime is 1253244523. The reversal of 1253244522 is 2254423521.

It is a self number, because there is not a number n which added to its sum of digits gives 1253244522.

It is not an unprimeable number, because it can be changed into a prime (1253244523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321397 + ... + 325272.

It is an arithmetic number, because the mean of its divisors is an integer number (87300450).

Almost surely, 2^1253244522 is an apocalyptic number.

1253244522 is an abundant number, since it is smaller than the sum of its proper divisors (1540369878).

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

1253244522 is a wasteful number, since it uses less digits than its factorization.

1253244522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646710.

The product of its digits is 19200, while the sum is 30.

The square root of 1253244522 is about 35401.1937934302. The cubic root of 1253244522 is about 1078.1485545587.

The spelling of 1253244522 in words is "one billion, two hundred fifty-three million, two hundred forty-four thousand, five hundred twenty-two".