1325252141 has 4 divisors (see below), whose sum is σ = 1332912732. Its totient is φ = 1317591552.

The previous prime is 1325252129. The next prime is 1325252197. The reversal of 1325252141 is 1412525231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1412525231 = 13 ⋅108655787.

It can be written as a sum of positive squares in 2 ways, for example, as 1235874025 + 89378116 = 35155^2 + 9454^2 .

It is a cyclic number.

It is not a de Polignac number, because 1325252141 - 2¹⁰ = 1325251117 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 1325252141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325252741) 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, 3830036 + ... + 3830381.

It is an arithmetic number, because the mean of its divisors is an integer number (333228183).

Almost surely, 2^1325252141 is an apocalyptic number.

It is an amenable number.

1325252141 is a deficient number, since it is larger than the sum of its proper divisors (7660591).

1325252141 is an equidigital number, since it uses as much as digits as its factorization.

1325252141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7660590.

The product of its digits is 2400, while the sum is 26.

The square root of 1325252141 is about 36404.0127046456. The cubic root of 1325252141 is about 1098.4142829593.

Adding to 1325252141 its reverse (1412525231), we get a palindrome (2737777372).

The spelling of 1325252141 in words is "one billion, three hundred twenty-five million, two hundred fifty-two thousand, one hundred forty-one".