192531395401 has 2 divisors, whose sum is σ = 192531395402. Its totient is φ = 192531395400.

The previous prime is 192531395377. The next prime is 192531395431. The reversal of 192531395401 is 104593135291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99777647376 + 92753748025 = 315876^2 + 304555^2 .

It is an emirp because it is prime and its reverse (104593135291) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 192531395401 - 2¹⁵ = 192531362633 is a prime.

It is not a weakly prime, because it can be changed into another prime (192531395431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96265697700 + 96265697701.

It is an arithmetic number, because the mean of its divisors is an integer number (96265697701).

Almost surely, 2^192531395401 is an apocalyptic number.

It is an amenable number.

192531395401 is a deficient number, since it is larger than the sum of its proper divisors (1).

192531395401 is an equidigital number, since it uses as much as digits as its factorization.

192531395401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 43.

The spelling of 192531395401 in words is "one hundred ninety-two billion, five hundred thirty-one million, three hundred ninety-five thousand, four hundred one".