253677889 has 2 divisors, whose sum is σ = 253677890. Its totient is φ = 253677888.

The previous prime is 253677841. The next prime is 253677899. The reversal of 253677889 is 988776352.

253677889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176677264 + 77000625 = 13292^2 + 8775^2 .

It is a cyclic number.

It is not a de Polignac number, because 253677889 - 2¹³ = 253669697 is a prime.

It is not a weakly prime, because it can be changed into another prime (253677829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126838944 + 126838945.

It is an arithmetic number, because the mean of its divisors is an integer number (126838945).

Almost surely, 2^253677889 is an apocalyptic number.

It is an amenable number.

253677889 is a deficient number, since it is larger than the sum of its proper divisors (1).

253677889 is an equidigital number, since it uses as much as digits as its factorization.

253677889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 55.

The square root of 253677889 is about 15927.2687237957. The cubic root of 253677889 is about 633.0347315992.

The spelling of 253677889 in words is "two hundred fifty-three million, six hundred seventy-seven thousand, eight hundred eighty-nine".