253468777 has 2 divisors, whose sum is σ = 253468778. Its totient is φ = 253468776.

The previous prime is 253468771. The next prime is 253468823. The reversal of 253468777 is 777864352.

It is a happy number.

253468777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178195801 + 75272976 = 13349^2 + 8676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253468777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253468777.

It is not a weakly prime, because it can be changed into another prime (253468771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126734388 + 126734389.

It is an arithmetic number, because the mean of its divisors is an integer number (126734389).

Almost surely, 2^253468777 is an apocalyptic number.

It is an amenable number.

253468777 is a deficient number, since it is larger than the sum of its proper divisors (1).

253468777 is an equidigital number, since it uses as much as digits as its factorization.

253468777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1975680, while the sum is 49.

The square root of 253468777 is about 15920.7027797142. The cubic root of 253468777 is about 632.8607425177.

The spelling of 253468777 in words is "two hundred fifty-three million, four hundred sixty-eight thousand, seven hundred seventy-seven".