2521247753 has 2 divisors, whose sum is σ = 2521247754. Its totient is φ = 2521247752.

The previous prime is 2521247711. The next prime is 2521247759. The reversal of 2521247753 is 3577421252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2521244944 + 2809 = 50212^2 + 53^2 .

It is a cyclic number.

It is not a de Polignac number, because 2521247753 - 2⁸ = 2521247497 is a prime.

It is not a weakly prime, because it can be changed into another prime (2521247759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260623876 + 1260623877.

It is an arithmetic number, because the mean of its divisors is an integer number (1260623877).

Almost surely, 2^2521247753 is an apocalyptic number.

It is an amenable number.

2521247753 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521247753 is an equidigital number, since it uses as much as digits as its factorization.

2521247753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 38.

The square root of 2521247753 is about 50212.0279713935. The cubic root of 2521247753 is about 1361.0429847123.

The spelling of 2521247753 in words is "two billion, five hundred twenty-one million, two hundred forty-seven thousand, seven hundred fifty-three".