318625277461 has 2 divisors, whose sum is σ = 318625277462. Its totient is φ = 318625277460.

The previous prime is 318625277449. The next prime is 318625277483. The reversal of 318625277461 is 164772526813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251793204100 + 66832073361 = 501790^2 + 258519^2 .

It is a cyclic number.

It is not a de Polignac number, because 318625277461 - 2³⁵ = 284265539093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 318625277399 and 318625277408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318625272461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159312638730 + 159312638731.

It is an arithmetic number, because the mean of its divisors is an integer number (159312638731).

Almost surely, 2^318625277461 is an apocalyptic number.

It is an amenable number.

318625277461 is a deficient number, since it is larger than the sum of its proper divisors (1).

318625277461 is an equidigital number, since it uses as much as digits as its factorization.

318625277461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 52.

The spelling of 318625277461 in words is "three hundred eighteen billion, six hundred twenty-five million, two hundred seventy-seven thousand, four hundred sixty-one".