1520552041 has 4 divisors (see below), whose sum is σ = 1572984900. Its totient is φ = 1468119184.

The previous prime is 1520552027. The next prime is 1520552051. The reversal of 1520552041 is 1402550251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1402550251 = 577 ⋅2430763.

It can be written as a sum of positive squares in 2 ways, for example, as 583947225 + 936604816 = 24165^2 + 30604^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1520552041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1520551997 and 1520552015.

It is not an unprimeable number, because it can be changed into a prime (1520552021) 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, 26216386 + ... + 26216443.

It is an arithmetic number, because the mean of its divisors is an integer number (393246225).

Almost surely, 2^1520552041 is an apocalyptic number.

It is an amenable number.

1520552041 is a deficient number, since it is larger than the sum of its proper divisors (52432859).

1520552041 is an equidigital number, since it uses as much as digits as its factorization.

1520552041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52432858.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1520552041 is about 38994.2565129789. The cubic root of 1520552041 is about 1149.9185931032.

The spelling of 1520552041 in words is "one billion, five hundred twenty million, five hundred fifty-two thousand, forty-one".