5253102521 has 4 divisors (see below), whose sum is σ = 5253376512. Its totient is φ = 5252828532.

The previous prime is 5253102511. The next prime is 5253102523. The reversal of 5253102521 is 1252013525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5253102521 is a prime.

It is a super-2 number, since 2×5253102521² = 55190172192273110882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5253102523) 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, 105881 + ... + 147366.

It is an arithmetic number, because the mean of its divisors is an integer number (1313344128).

Almost surely, 2^5253102521 is an apocalyptic number.

It is an amenable number.

5253102521 is a deficient number, since it is larger than the sum of its proper divisors (273991).

5253102521 is a wasteful number, since it uses less digits than its factorization.

5253102521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273990.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 5253102521 is about 72478.2899977642. The cubic root of 5253102521 is about 1738.3556183791.

The spelling of 5253102521 in words is "five billion, two hundred fifty-three million, one hundred two thousand, five hundred twenty-one".