4202501 has 2 divisors, whose sum is σ = 4202502. Its totient is φ = 4202500.

The previous prime is 4202489. The next prime is 4202521. The reversal of 4202501 is 1052024.

It is a Cunningham number, because it is equal to 2050²+1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4202500 + 1 = 2050^2 + 1^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4202501 is a prime.

It is a super-2 number, since 2×4202501² = 35322029310002, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4202521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101250 + 2101251.

It is an arithmetic number, because the mean of its divisors is an integer number (2101251).

Almost surely, 2^4202501 is an apocalyptic number.

It is an amenable number.

4202501 is a deficient number, since it is larger than the sum of its proper divisors (1).

4202501 is an equidigital number, since it uses as much as digits as its factorization.

4202501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 4202501 is about 2050.0002439024. Note that the first 3 decimals coincide. The cubic root of 4202501 is about 161.3748835259.

Adding to 4202501 its reverse (1052024), we get a palindrome (5254525).

The spelling of 4202501 in words is "four million, two hundred two thousand, five hundred one".