180752401 has 2 divisors, whose sum is σ = 180752402. Its totient is φ = 180752400.

The previous prime is 180752387. The next prime is 180752431. The reversal of 180752401 is 104257081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103734225 + 77018176 = 10185^2 + 8776^2 .

It is a cyclic number.

It is not a de Polignac number, because 180752401 - 2²¹ = 178655249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 180752401.

It is not a weakly prime, because it can be changed into another prime (180752431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90376200 + 90376201.

It is an arithmetic number, because the mean of its divisors is an integer number (90376201).

Almost surely, 2^180752401 is an apocalyptic number.

It is an amenable number.

180752401 is a deficient number, since it is larger than the sum of its proper divisors (1).

180752401 is an equidigital number, since it uses as much as digits as its factorization.

180752401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 180752401 is about 13444.4189536030. The cubic root of 180752401 is about 565.4072308860.

The spelling of 180752401 in words is "one hundred eighty million, seven hundred fifty-two thousand, four hundred one".