5254522521 has 4 divisors (see below), whose sum is σ = 7006030032. Its totient is φ = 3503015012.

The previous prime is 5254522519. The next prime is 5254522547. The reversal of 5254522521 is 1252254525.

It is a happy number.

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 not a de Polignac number, because 5254522521 - 2¹ = 5254522519 is a prime.

It is a super-2 number, since 2×5254522521² = 55220013847392390882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5254522501) 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, 875753751 + ... + 875753756.

It is an arithmetic number, because the mean of its divisors is an integer number (1751507508).

Almost surely, 2^5254522521 is an apocalyptic number.

It is an amenable number.

5254522521 is a deficient number, since it is larger than the sum of its proper divisors (1751507511).

5254522521 is a wasteful number, since it uses less digits than its factorization.

5254522521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751507510.

The product of its digits is 40000, while the sum is 33.

The square root of 5254522521 is about 72488.0853727011. The cubic root of 5254522521 is about 1738.5122396380.

The spelling of 5254522521 in words is "five billion, two hundred fifty-four million, five hundred twenty-two thousand, five hundred twenty-one".