1345601253 has 8 divisors (see below), whose sum is σ = 1794569728. Its totient is φ = 896850144.

The previous prime is 1345601251. The next prime is 1345601281. The reversal of 1345601253 is 3521065431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1345601253 - 2¹ = 1345601251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1345601253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345601251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39301 + ... + 65082.

It is an arithmetic number, because the mean of its divisors is an integer number (224321216).

Almost surely, 2^1345601253 is an apocalyptic number.

It is an amenable number.

1345601253 is a deficient number, since it is larger than the sum of its proper divisors (448968475).

1345601253 is a wasteful number, since it uses less digits than its factorization.

1345601253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108683.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1345601253 is about 36682.4379369747. The cubic root of 1345601253 is about 1104.0077640378.

Adding to 1345601253 its reverse (3521065431), we get a palindrome (4866666684).

The spelling of 1345601253 in words is "one billion, three hundred forty-five million, six hundred one thousand, two hundred fifty-three".