1523485441 has 4 divisors (see below), whose sum is σ = 1523770884. Its totient is φ = 1523200000.

The previous prime is 1523485427. The next prime is 1523485487. The reversal of 1523485441 is 1445843251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 690585841 + 832899600 = 26279^2 + 28860^2 .

It is a cyclic number.

It is not a de Polignac number, because 1523485441 - 2⁵ = 1523485409 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 1523485441.

It is not an unprimeable number, because it can be changed into a prime (1523485241) 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, 134560 + ... + 145441.

It is an arithmetic number, because the mean of its divisors is an integer number (380942721).

Almost surely, 2^1523485441 is an apocalyptic number.

It is an amenable number.

1523485441 is a deficient number, since it is larger than the sum of its proper divisors (285443).

1523485441 is an equidigital number, since it uses as much as digits as its factorization.

1523485441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285442.

The product of its digits is 76800, while the sum is 37.

The square root of 1523485441 is about 39031.8516214642. The cubic root of 1523485441 is about 1150.6575800620.

The spelling of 1523485441 in words is "one billion, five hundred twenty-three million, four hundred eighty-five thousand, four hundred forty-one".