1457430013 has 4 divisors (see below), whose sum is σ = 1569540028. Its totient is φ = 1345320000.

The previous prime is 1457429989. The next prime is 1457430053. The reversal of 1457430013 is 3100347541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 431060644 + 1026369369 = 20762^2 + 32037^2 .

It is a cyclic number.

It is not a de Polignac number, because 1457430013 - 2²¹ = 1455332861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457430053) 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, 56054988 + ... + 56055013.

It is an arithmetic number, because the mean of its divisors is an integer number (392385007).

Almost surely, 2^1457430013 is an apocalyptic number.

1457430013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1457430013 is a deficient number, since it is larger than the sum of its proper divisors (112110015).

1457430013 is a wasteful number, since it uses less digits than its factorization.

1457430013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112110014.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1457430013 is about 38176.3017197842. The cubic root of 1457430013 is about 1133.7811604975.

Adding to 1457430013 its reverse (3100347541), we get a palindrome (4557777554).

The spelling of 1457430013 in words is "one billion, four hundred fifty-seven million, four hundred thirty thousand, thirteen".