1340502325 has 12 divisors (see below), whose sum is σ = 1662776388. Its totient is φ = 1072044800.

The previous prime is 1340502323. The next prime is 1340502391. The reversal of 1340502325 is 5232050431.

It can be written as a sum of positive squares in 6 ways, for example, as 22667121 + 1317835204 = 4761^2 + 36302^2 .

It is not a de Polignac number, because 1340502325 - 2¹ = 1340502323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 1340502325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340502323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88509 + ... + 102541.

It is an arithmetic number, because the mean of its divisors is an integer number (138564699).

Almost surely, 2^1340502325 is an apocalyptic number.

It is an amenable number.

1340502325 is a deficient number, since it is larger than the sum of its proper divisors (322274063).

1340502325 is a wasteful number, since it uses less digits than its factorization.

1340502325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17864 (or 17859 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1340502325 is about 36612.8710291886. The cubic root of 1340502325 is about 1102.6115154673.

Adding to 1340502325 its reverse (5232050431), we get a palindrome (6572552756).

The spelling of 1340502325 in words is "one billion, three hundred forty million, five hundred two thousand, three hundred twenty-five".