1551125341 has 4 divisors (see below), whose sum is σ = 1555218400. Its totient is φ = 1547032284.

The previous prime is 1551125333. The next prime is 1551125347. The reversal of 1551125341 is 1435211551.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1435211551 = 881 ⋅1629071.

It is a cyclic number.

It is not a de Polignac number, because 1551125341 - 2³ = 1551125333 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 (1551125347) 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, 2045961 + ... + 2046718.

It is an arithmetic number, because the mean of its divisors is an integer number (388804600).

Almost surely, 2^1551125341 is an apocalyptic number.

It is an amenable number.

1551125341 is a deficient number, since it is larger than the sum of its proper divisors (4093059).

1551125341 is an equidigital number, since it uses as much as digits as its factorization.

1551125341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093058.

The product of its digits is 3000, while the sum is 28.

The square root of 1551125341 is about 39384.3286219278. The cubic root of 1551125341 is about 1157.5745349892.

Adding to 1551125341 its reverse (1435211551), we get a palindrome (2986336892).

The spelling of 1551125341 in words is "one billion, five hundred fifty-one million, one hundred twenty-five thousand, three hundred forty-one".