1501305 has 16 divisors (see below), whose sum is σ = 2587200. Its totient is φ = 739008.

The previous prime is 1501303. The next prime is 1501307. The reversal of 1501305 is 5031051.

It is an interprime number because it is at equal distance from previous prime (1501303) and next prime (1501307).

It is not a de Polignac number, because 1501305 - 2¹ = 1501303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1501303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3655 + ... + 4044.

It is an arithmetic number, because the mean of its divisors is an integer number (161700).

2^1501305 is an apocalyptic number.

1501305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1501305 is a deficient number, since it is larger than the sum of its proper divisors (1085895).

1501305 is a wasteful number, since it uses less digits than its factorization.

1501305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7720.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 1501305 is about 1225.2775195848. The cubic root of 1501305 is about 114.5046113460.

Adding to 1501305 its reverse (5031051), we get a palindrome (6532356).

The spelling of 1501305 in words is "one million, five hundred one thousand, three hundred five".