1325157541 has 4 divisors (see below), whose sum is σ = 1325332800. Its totient is φ = 1324982284.

The previous prime is 1325157529. The next prime is 1325157583. The reversal of 1325157541 is 1457515231.

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-1325157541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1325157497 and 1325157506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325157511) 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, 75751 + ... + 91588.

It is an arithmetic number, because the mean of its divisors is an integer number (331333200).

Almost surely, 2^1325157541 is an apocalyptic number.

It is an amenable number.

1325157541 is a deficient number, since it is larger than the sum of its proper divisors (175259).

1325157541 is an equidigital number, since it uses as much as digits as its factorization.

1325157541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175258.

The product of its digits is 21000, while the sum is 34.

The square root of 1325157541 is about 36402.7133741429. The cubic root of 1325157541 is about 1098.3881464326.

The spelling of 1325157541 in words is "one billion, three hundred twenty-five million, one hundred fifty-seven thousand, five hundred forty-one".