253994107 has 2 divisors, whose sum is σ = 253994108. Its totient is φ = 253994106.

The previous prime is 253994099. The next prime is 253994123. The reversal of 253994107 is 701499352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253994107 - 2³ = 253994099 is a prime.

It is equal to p_13885780 and since 253994107 and 13885780 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253994107.

It is not a weakly prime, because it can be changed into another prime (253994207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126997053 + 126997054.

It is an arithmetic number, because the mean of its divisors is an integer number (126997054).

Almost surely, 2^253994107 is an apocalyptic number.

253994107 is a deficient number, since it is larger than the sum of its proper divisors (1).

253994107 is an equidigital number, since it uses as much as digits as its factorization.

253994107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 253994107 is about 15937.1925695839. The cubic root of 253994107 is about 633.2976553924.

The spelling of 253994107 in words is "two hundred fifty-three million, nine hundred ninety-four thousand, one hundred seven".