4201540501 has 2 divisors, whose sum is σ = 4201540502. Its totient is φ = 4201540500.

The previous prime is 4201540481. The next prime is 4201540537. The reversal of 4201540501 is 1050451024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3692992900 + 508547601 = 60770^2 + 22551^2 .

It is a cyclic number.

It is not a de Polignac number, because 4201540501 - 2⁹ = 4201539989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4201540001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100770250 + 2100770251.

It is an arithmetic number, because the mean of its divisors is an integer number (2100770251).

Almost surely, 2^4201540501 is an apocalyptic number.

It is an amenable number.

4201540501 is a deficient number, since it is larger than the sum of its proper divisors (1).

4201540501 is an equidigital number, since it uses as much as digits as its factorization.

4201540501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 4201540501 is about 64819.2911176912. The cubic root of 4201540501 is about 1613.6258828994.

Adding to 4201540501 its reverse (1050451024), we get a palindrome (5251991525).

The spelling of 4201540501 in words is "four billion, two hundred one million, five hundred forty thousand, five hundred one".