210232501 has 2 divisors, whose sum is σ = 210232502. Its totient is φ = 210232500.

The previous prime is 210232487. The next prime is 210232553. The reversal of 210232501 is 105232012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204347025 + 5885476 = 14295^2 + 2426^2 .

It is a cyclic number.

It is not a de Polignac number, because 210232501 - 2¹⁵ = 210199733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210232201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105116250 + 105116251.

It is an arithmetic number, because the mean of its divisors is an integer number (105116251).

Almost surely, 2^210232501 is an apocalyptic number.

It is an amenable number.

210232501 is a deficient number, since it is larger than the sum of its proper divisors (1).

210232501 is an equidigital number, since it uses as much as digits as its factorization.

210232501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 210232501 is about 14499.3965736509. The cubic root of 210232501 is about 594.6114743394.

Adding to 210232501 its reverse (105232012), we get a palindrome (315464513).

The spelling of 210232501 in words is "two hundred ten million, two hundred thirty-two thousand, five hundred one".