2521052026 has 16 divisors (see below), whose sum is σ = 4004962920. Its totient is φ = 1186099200.

The previous prime is 2521052021. The next prime is 2521052047. The reversal of 2521052026 is 6202501252.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2515122801 + 5929225 = 50151^2 + 2435^2 .

It is not an unprimeable number, because it can be changed into a prime (2521052021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249676 + ... + 259576.

Almost surely, 2^2521052026 is an apocalyptic number.

2521052026 is a deficient number, since it is larger than the sum of its proper divisors (1483910894).

2521052026 is a wasteful number, since it uses less digits than its factorization.

2521052026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17409.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2521052026 is about 50210.0789284383. The cubic root of 2521052026 is about 1361.0077640887.

Adding to 2521052026 its reverse (6202501252), we get a palindrome (8723553278).

The spelling of 2521052026 in words is "two billion, five hundred twenty-one million, fifty-two thousand, twenty-six".