1453203013 has 2 divisors, whose sum is σ = 1453203014. Its totient is φ = 1453203012.

The previous prime is 1453203007. The next prime is 1453203023. The reversal of 1453203013 is 3103023541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1364711364 + 88491649 = 36942^2 + 9407^2 .

It is a cyclic number.

It is not a de Polignac number, because 1453203013 - 2²¹ = 1451105861 is a prime.

It is a super-2 number, since 2×1453203013² = 4223597993984556338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1453203023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726601506 + 726601507.

It is an arithmetic number, because the mean of its divisors is an integer number (726601507).

Almost surely, 2^1453203013 is an apocalyptic number.

It is an amenable number.

1453203013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453203013 is an equidigital number, since it uses as much as digits as its factorization.

1453203013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1453203013 is about 38120.8999500274. The cubic root of 1453203013 is about 1132.6839931911.

Adding to 1453203013 its reverse (3103023541), we get a palindrome (4556226554).

The spelling of 1453203013 in words is "one billion, four hundred fifty-three million, two hundred three thousand, thirteen".