2542444525 has 6 divisors (see below), whose sum is σ = 3152631242. Its totient is φ = 2033955600.

The previous prime is 2542444523. The next prime is 2542444543. The reversal of 2542444525 is 5254442452.

It can be written as a sum of positive squares in 3 ways, for example, as 125148969 + 2417295556 = 11187^2 + 49166^2 .

It is not a de Polignac number, because 2542444525 - 2¹ = 2542444523 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 (2542444523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50848866 + ... + 50848915.

Almost surely, 2^2542444525 is an apocalyptic number.

2542444525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2542444525 is a deficient number, since it is larger than the sum of its proper divisors (610186717).

2542444525 is a wasteful number, since it uses less digits than its factorization.

2542444525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101697791 (or 101697786 counting only the distinct ones).

The product of its digits is 256000, while the sum is 37.

The square root of 2542444525 is about 50422.6588450074. The cubic root of 2542444525 is about 1364.8465570159.

Adding to 2542444525 its reverse (5254442452), we get a palindrome (7796886977).

The spelling of 2542444525 in words is "two billion, five hundred forty-two million, four hundred forty-four thousand, five hundred twenty-five".