1505313563 has 8 divisors (see below), whose sum is σ = 1621443600. Its totient is φ = 1389231648.

The previous prime is 1505313541. The next prime is 1505313611. The reversal of 1505313563 is 3653135051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1505313563 - 2⁸ = 1505313307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1505313463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77873 + ... + 95261.

It is an arithmetic number, because the mean of its divisors is an integer number (202680450).

Almost surely, 2^1505313563 is an apocalyptic number.

1505313563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1505313563 is a deficient number, since it is larger than the sum of its proper divisors (116130037).

1505313563 is a wasteful number, since it uses less digits than its factorization.

1505313563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24061.

The product of its (nonzero) digits is 20250, while the sum is 32.

The square root of 1505313563 is about 38798.3706230043. The cubic root of 1505313563 is about 1146.0643188126.

The spelling of 1505313563 in words is "one billion, five hundred five million, three hundred thirteen thousand, five hundred sixty-three".