201202501 has 2 divisors, whose sum is σ = 201202502. Its totient is φ = 201202500.

The previous prime is 201202499. The next prime is 201202511. The reversal of 201202501 is 105202102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174266401 + 26936100 = 13201^2 + 5190^2 .

It is a cyclic number.

It is not a de Polignac number, because 201202501 - 2¹ = 201202499 is a prime.

Together with 201202499, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201202511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100601250 + 100601251.

It is an arithmetic number, because the mean of its divisors is an integer number (100601251).

Almost surely, 2^201202501 is an apocalyptic number.

It is an amenable number.

201202501 is a deficient number, since it is larger than the sum of its proper divisors (1).

201202501 is an equidigital number, since it uses as much as digits as its factorization.

201202501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 201202501 is about 14184.5867405434. The cubic root of 201202501 is about 585.9732512339.

Adding to 201202501 its reverse (105202102), we get a palindrome (306404603).

The spelling of 201202501 in words is "two hundred one million, two hundred two thousand, five hundred one".