5142226521 has 8 divisors (see below), whose sum is σ = 7259613984. Its totient is φ = 3226495040.

The previous prime is 5142226517. The next prime is 5142226543. The reversal of 5142226521 is 1256222415.

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 5142226521 - 2² = 5142226517 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5142226501) 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, 50413935 + ... + 50414036.

It is an arithmetic number, because the mean of its divisors is an integer number (907451748).

Almost surely, 2^5142226521 is an apocalyptic number.

5142226521 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5142226521 is a deficient number, since it is larger than the sum of its proper divisors (2117387463).

5142226521 is a wasteful number, since it uses less digits than its factorization.

5142226521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100827991.

The product of its digits is 9600, while the sum is 30.

The square root of 5142226521 is about 71709.3196244393. The cubic root of 5142226521 is about 1726.0381927648.

Adding to 5142226521 its reverse (1256222415), we get a palindrome (6398448936).

The spelling of 5142226521 in words is "five billion, one hundred forty-two million, two hundred twenty-six thousand, five hundred twenty-one".