1452451013 has 4 divisors (see below), whose sum is σ = 1564178028. Its totient is φ = 1340724000.

The previous prime is 1452451009. The next prime is 1452451069. The reversal of 1452451013 is 3101542541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3101542541 = 227 ⋅13663183.

It can be written as a sum of positive squares in 2 ways, for example, as 126180289 + 1326270724 = 11233^2 + 36418^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452451013 - 2² = 1452451009 is a prime.

It is a super-2 number, since 2×1452451013² = 4219227890329452338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1452451073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55863488 + ... + 55863513.

It is an arithmetic number, because the mean of its divisors is an integer number (391044507).

Almost surely, 2^1452451013 is an apocalyptic number.

1452451013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1452451013 is a deficient number, since it is larger than the sum of its proper divisors (111727015).

1452451013 is a wasteful number, since it uses less digits than its factorization.

1452451013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111727014.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1452451013 is about 38111.0353178709. The cubic root of 1452451013 is about 1132.4885799504.

Adding to 1452451013 its reverse (3101542541), we get a palindrome (4553993554).

The spelling of 1452451013 in words is "one billion, four hundred fifty-two million, four hundred fifty-one thousand, thirteen".