1453913 has 2 divisors, whose sum is σ = 1453914. Its totient is φ = 1453912.

The previous prime is 1453909. The next prime is 1453919. The reversal of 1453913 is 3193541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1408969 + 44944 = 1187^2 + 212^2 .

It is a cyclic number.

It is not a de Polignac number, because 1453913 - 2² = 1453909 is a prime.

It is a super-2 number, since 2×1453913² = 4227726023138, which contains 22 as substring.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (1453919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726956 + 726957.

It is an arithmetic number, because the mean of its divisors is an integer number (726957).

2^1453913 is an apocalyptic number.

It is an amenable number.

1453913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453913 is an equidigital number, since it uses as much as digits as its factorization.

1453913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 26.

The square root of 1453913 is about 1205.7831479997. The cubic root of 1453913 is about 113.2868427156.

The spelling of 1453913 in words is "one million, four hundred fifty-three thousand, nine hundred thirteen".