692478113 has 2 divisors, whose sum is σ = 692478114. Its totient is φ = 692478112.

The previous prime is 692478091. The next prime is 692478131. The reversal of 692478113 is 311874296.

692478113 = 18607² + 18608².

Together with next prime (692478131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 346257664 + 346220449 = 18608^2 + 18607^2 .

It is a cyclic number.

It is not a de Polignac number, because 692478113 - 2²⁴ = 675700897 is a prime.

It is not a weakly prime, because it can be changed into another prime (692478133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346239056 + 346239057.

It is an arithmetic number, because the mean of its divisors is an integer number (346239057).

Almost surely, 2^692478113 is an apocalyptic number.

692478113 is the 18608-th centered square number.

It is an amenable number.

692478113 is a deficient number, since it is larger than the sum of its proper divisors (1).

692478113 is an equidigital number, since it uses as much as digits as its factorization.

692478113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 692478113 is about 26314.9788713577. The cubic root of 692478113 is about 884.7122019497.

The spelling of 692478113 in words is "six hundred ninety-two million, four hundred seventy-eight thousand, one hundred thirteen".