4342253521 has 8 divisors (see below), whose sum is σ = 4573648800. Its totient is φ = 4111143840.

The previous prime is 4342253519. The next prime is 4342253551. The reversal of 4342253521 is 1253522434.

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 4342253521 - 2¹ = 4342253519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4342253501) 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, 39820 + ... + 101341.

It is an arithmetic number, because the mean of its divisors is an integer number (571706100).

Almost surely, 2^4342253521 is an apocalyptic number.

It is an amenable number.

4342253521 is a deficient number, since it is larger than the sum of its proper divisors (231395279).

4342253521 is a wasteful number, since it uses less digits than its factorization.

4342253521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142799.

The product of its digits is 28800, while the sum is 31.

The square root of 4342253521 is about 65895.7777175442. Note that the first 4 decimals coincide. The cubic root of 4342253521 is about 1631.4423256823.

Adding to 4342253521 its reverse (1253522434), we get a palindrome (5595775955).

The spelling of 4342253521 in words is "four billion, three hundred forty-two million, two hundred fifty-three thousand, five hundred twenty-one".