5221001501 has 4 divisors (see below), whose sum is σ = 5221916352. Its totient is φ = 5220086652.

The previous prime is 5221001497. The next prime is 5221001503. The reversal of 5221001501 is 1051001225.

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 5221001501 - 2² = 5221001497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5221001501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221001503) 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, 448811 + ... + 460296.

It is an arithmetic number, because the mean of its divisors is an integer number (1305479088).

Almost surely, 2^5221001501 is an apocalyptic number.

It is an amenable number.

5221001501 is a deficient number, since it is larger than the sum of its proper divisors (914851).

5221001501 is an equidigital number, since it uses as much as digits as its factorization.

5221001501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914850.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 5221001501 is about 72256.4979846104. The cubic root of 5221001501 is about 1734.8074266854.

Adding to 5221001501 its reverse (1051001225), we get a palindrome (6272002726).

The spelling of 5221001501 in words is "five billion, two hundred twenty-one million, one thousand, five hundred one".