1505250513 has 32 divisors (see below), whose sum is σ = 2422855680. Its totient is φ = 918086400.

The previous prime is 1505250469. The next prime is 1505250517. The reversal of 1505250513 is 3150525051.

1505250513 is a `hidden beast` number, since 1 + 50 + 52 + 50 + 513 = 666.

It is not a de Polignac number, because 1505250513 - 2⁶ = 1505250449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1505250517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20688 + ... + 58638.

It is an arithmetic number, because the mean of its divisors is an integer number (75714240).

Almost surely, 2^1505250513 is an apocalyptic number.

1505250513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1505250513 is a deficient number, since it is larger than the sum of its proper divisors (917605167).

1505250513 is a wasteful number, since it uses less digits than its factorization.

1505250513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38086 (or 38080 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 1505250513 is about 38797.5580803741. The cubic root of 1505250513 is about 1146.0483176361.

Adding to 1505250513 its reverse (3150525051), we get a palindrome (4655775564).

The spelling of 1505250513 in words is "one billion, five hundred five million, two hundred fifty thousand, five hundred thirteen".