1500901 has 4 divisors (see below), whose sum is σ = 1526400. Its totient is φ = 1475404.

The previous prime is 1500899. The next prime is 1500929. The reversal of 1500901 is 1090051.

1500901 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1500901 - 2¹ = 1500899 is a prime.

It is an Ulam number.

It is a Duffinian number.

1500901 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1500931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12661 + ... + 12778.

It is an arithmetic number, because the mean of its divisors is an integer number (381600).

2^1500901 is an apocalyptic number.

It is an amenable number.

1500901 is a deficient number, since it is larger than the sum of its proper divisors (25499).

1500901 is an equidigital number, since it uses as much as digits as its factorization.

1500901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25498.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 1500901 is about 1225.1126478818. The cubic root of 1500901 is about 114.4943393908.

Adding to 1500901 its reverse (1090051), we get a palindrome (2590952).

It can be divided in two parts, 1500 and 901, that added together give a 4-th power (2401 = 7⁴).

The spelling of 1500901 in words is "one million, five hundred thousand, nine hundred one".