253055939 has 2 divisors, whose sum is σ = 253055940. Its totient is φ = 253055938.

The previous prime is 253055921. The next prime is 253055969. The reversal of 253055939 is 939550352.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253055939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253055896 and 253055905.

It is not a weakly prime, because it can be changed into another prime (253055969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126527969 + 126527970.

It is an arithmetic number, because the mean of its divisors is an integer number (126527970).

Almost surely, 2^253055939 is an apocalyptic number.

253055939 is a deficient number, since it is larger than the sum of its proper divisors (1).

253055939 is an equidigital number, since it uses as much as digits as its factorization.

253055939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 182250, while the sum is 41.

The square root of 253055939 is about 15907.7320507984. The cubic root of 253055939 is about 632.5169645551.

The spelling of 253055939 in words is "two hundred fifty-three million, fifty-five thousand, nine hundred thirty-nine".