14781953 has 2 divisors, whose sum is σ = 14781954. Its totient is φ = 14781952.

The previous prime is 14781937. The next prime is 14781973. The reversal of 14781953 is 35918741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14047504 + 734449 = 3748^2 + 857^2 .

It is a cyclic number.

It is not a de Polignac number, because 14781953 - 2⁴ = 14781937 is a prime.

It is a super-2 number, since 2×14781953² = 437012268988418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14781913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7390976 + 7390977.

It is an arithmetic number, because the mean of its divisors is an integer number (7390977).

Almost surely, 2^14781953 is an apocalyptic number.

It is an amenable number.

14781953 is a deficient number, since it is larger than the sum of its proper divisors (1).

14781953 is an equidigital number, since it uses as much as digits as its factorization.

14781953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 38.

The square root of 14781953 is about 3844.7305497265. The cubic root of 14781953 is about 245.4203695320.

The spelling of 14781953 in words is "fourteen million, seven hundred eighty-one thousand, nine hundred fifty-three".