1345303501 has 4 divisors (see below), whose sum is σ = 1348000000. Its totient is φ = 1342607004.

The previous prime is 1345303499. The next prime is 1345303523. The reversal of 1345303501 is 1053035431.

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 not a de Polignac number, because 1345303501 - 2¹ = 1345303499 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 (1345303541) 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, 1347501 + ... + 1348498.

It is an arithmetic number, because the mean of its divisors is an integer number (337000000).

Almost surely, 2^1345303501 is an apocalyptic number.

It is an amenable number.

1345303501 is a deficient number, since it is larger than the sum of its proper divisors (2696499).

1345303501 is an equidigital number, since it uses as much as digits as its factorization.

1345303501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696498.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1345303501 is about 36678.3792035581. The cubic root of 1345303501 is about 1103.9263271415.

Adding to 1345303501 its reverse (1053035431), we get a palindrome (2398338932).

The spelling of 1345303501 in words is "one billion, three hundred forty-five million, three hundred three thousand, five hundred one".