361112501 has 2 divisors, whose sum is σ = 361112502. Its totient is φ = 361112500.

The previous prime is 361112491. The next prime is 361112503. The reversal of 361112501 is 105211163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360430225 + 682276 = 18985^2 + 826^2 .

It is an emirp because it is prime and its reverse (105211163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361112501 - 2¹⁴ = 361096117 is a prime.

Together with 361112503, 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 (361112503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180556250 + 180556251.

It is an arithmetic number, because the mean of its divisors is an integer number (180556251).

Almost surely, 2^361112501 is an apocalyptic number.

It is an amenable number.

361112501 is a deficient number, since it is larger than the sum of its proper divisors (1).

361112501 is an equidigital number, since it uses as much as digits as its factorization.

361112501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 361112501 is about 19002.9603220130. The cubic root of 361112501 is about 712.1106939004.

Adding to 361112501 its reverse (105211163), we get a palindrome (466323664).

The spelling of 361112501 in words is "three hundred sixty-one million, one hundred twelve thousand, five hundred one".