117210253 has 2 divisors, whose sum is σ = 117210254. Its totient is φ = 117210252.

The previous prime is 117210239. The next prime is 117210283. The reversal of 117210253 is 352012711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78110244 + 39100009 = 8838^2 + 6253^2 .

It is a cyclic number.

It is not a de Polignac number, because 117210253 - 2¹³ = 117202061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117210283) 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, 58605126 + 58605127.

It is an arithmetic number, because the mean of its divisors is an integer number (58605127).

Almost surely, 2^117210253 is an apocalyptic number.

It is an amenable number.

117210253 is a deficient number, since it is larger than the sum of its proper divisors (1).

117210253 is an equidigital number, since it uses as much as digits as its factorization.

117210253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 117210253 is about 10826.3684123532. The cubic root of 117210253 is about 489.3901242018.

Adding to 117210253 its reverse (352012711), we get a palindrome (469222964).

The spelling of 117210253 in words is "one hundred seventeen million, two hundred ten thousand, two hundred fifty-three".