4921022501 has 2 divisors, whose sum is σ = 4921022502. Its totient is φ = 4921022500.

The previous prime is 4921022471. The next prime is 4921022507. The reversal of 4921022501 is 1052201294.

It is a Cunningham number, because it is equal to 70150²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4921022500 + 1 = 70150^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 4921022501 - 2¹⁸ = 4920760357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4921022507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2460511250 + 2460511251.

It is an arithmetic number, because the mean of its divisors is an integer number (2460511251).

Almost surely, 2^4921022501 is an apocalyptic number.

It is an amenable number.

4921022501 is a deficient number, since it is larger than the sum of its proper divisors (1).

4921022501 is an equidigital number, since it uses as much as digits as its factorization.

4921022501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 4921022501 is about 70150.0000071276. Note that the first 5 decimals coincide. The cubic root of 4921022501 is about 1700.9248141033.

Adding to 4921022501 its reverse (1052201294), we get a palindrome (5973223795).

The spelling of 4921022501 in words is "four billion, nine hundred twenty-one million, twenty-two thousand, five hundred one".