1453502013 has 4 divisors (see below), whose sum is σ = 1938002688. Its totient is φ = 969001340.

The previous prime is 1453501981. The next prime is 1453502021. The reversal of 1453502013 is 3102053541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3102053541 = 3 ⋅1034017847.

It is a cyclic number.

It is not a de Polignac number, because 1453502013 - 2⁵ = 1453501981 is a prime.

It is a super-2 number, since 2×1453502013² = 4225336203590104338, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453502093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242250333 + ... + 242250338.

It is an arithmetic number, because the mean of its divisors is an integer number (484500672).

Almost surely, 2^1453502013 is an apocalyptic number.

It is an amenable number.

1453502013 is a deficient number, since it is larger than the sum of its proper divisors (484500675).

1453502013 is an equidigital number, since it uses as much as digits as its factorization.

1453502013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484500674.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1453502013 is about 38124.8214815493. The cubic root of 1453502013 is about 1132.7616720118.

Adding to 1453502013 its reverse (3102053541), we get a palindrome (4555555554).

The spelling of 1453502013 in words is "one billion, four hundred fifty-three million, five hundred two thousand, thirteen".