5252429821 has 8 divisors (see below), whose sum is σ = 5321159424. Its totient is φ = 5183830080.

The previous prime is 5252429807. The next prime is 5252429849. The reversal of 5252429821 is 1289242525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5252429821 - 2²¹ = 5250332669 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 (5252429881) 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, 50325 + ... + 114181.

It is an arithmetic number, because the mean of its divisors is an integer number (665144928).

Almost surely, 2^5252429821 is an apocalyptic number.

It is an amenable number.

5252429821 is a deficient number, since it is larger than the sum of its proper divisors (68729603).

5252429821 is an equidigital number, since it uses as much as digits as its factorization.

5252429821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64931.

The product of its digits is 115200, while the sum is 40.

The square root of 5252429821 is about 72473.6491491908. The cubic root of 5252429821 is about 1738.2814119624.

The spelling of 5252429821 in words is "five billion, two hundred fifty-two million, four hundred twenty-nine thousand, eight hundred twenty-one".