1452739313 has 4 divisors (see below), whose sum is σ = 1453158000. Its totient is φ = 1452320628.

The previous prime is 1452739283. The next prime is 1452739333. The reversal of 1452739313 is 3139372541.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1452739313 is a prime.

It is a super-2 number, since 2×1452739313² = 4220903023071423938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1452739333) 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, 204095 + ... + 211092.

It is an arithmetic number, because the mean of its divisors is an integer number (363289500).

Almost surely, 2^1452739313 is an apocalyptic number.

It is an amenable number.

1452739313 is a deficient number, since it is larger than the sum of its proper divisors (418687).

1452739313 is an equidigital number, since it uses as much as digits as its factorization.

1452739313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418686.

The product of its digits is 68040, while the sum is 38.

The square root of 1452739313 is about 38114.8174992351. The cubic root of 1452739313 is about 1132.5635049920.

The spelling of 1452739313 in words is "one billion, four hundred fifty-two million, seven hundred thirty-nine thousand, three hundred thirteen".