1252541053 has 4 divisors (see below), whose sum is σ = 1254856828. Its totient is φ = 1250225280.

The previous prime is 1252541041. The next prime is 1252541083. The reversal of 1252541053 is 3501452521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 575136324 + 677404729 = 23982^2 + 26027^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252541053 - 2¹³ = 1252532861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252541083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157076 + ... + 1158157.

It is an arithmetic number, because the mean of its divisors is an integer number (313714207).

Almost surely, 2^1252541053 is an apocalyptic number.

It is an amenable number.

1252541053 is a deficient number, since it is larger than the sum of its proper divisors (2315775).

1252541053 is an equidigital number, since it uses as much as digits as its factorization.

1252541053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315774.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1252541053 is about 35391.2567310063. The cubic root of 1252541053 is about 1077.9467886553.

Adding to 1252541053 its reverse (3501452521), we get a palindrome (4753993574).

The spelling of 1252541053 in words is "one billion, two hundred fifty-two million, five hundred forty-one thousand, fifty-three".