1453939 has 2 divisors, whose sum is σ = 1453940. Its totient is φ = 1453938.

The previous prime is 1453927. The next prime is 1453943. The reversal of 1453939 is 9393541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1453939 - 2⁹ = 1453427 is a prime.

It is a super-2 number, since 2×1453939² = 4227877231442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1453909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726969 + 726970.

It is an arithmetic number, because the mean of its divisors is an integer number (726970).

2^1453939 is an apocalyptic number.

1453939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453939 is an equidigital number, since it uses as much as digits as its factorization.

1453939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 34.

The square root of 1453939 is about 1205.7939293262. The cubic root of 1453939 is about 113.2875180059.

The spelling of 1453939 in words is "one million, four hundred fifty-three thousand, nine hundred thirty-nine".