1506901 has 4 divisors (see below), whose sum is σ = 1643904. Its totient is φ = 1369900.

The previous prime is 1506889. The next prime is 1506907. The reversal of 1506901 is 1096051.

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 1506901 - 2⁹ = 1506389 is a prime.

It is a Duffinian number.

1506901 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1506907) 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, 68485 + ... + 68506.

It is an arithmetic number, because the mean of its divisors is an integer number (410976).

2^1506901 is an apocalyptic number.

1506901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1506901 is a deficient number, since it is larger than the sum of its proper divisors (137003).

1506901 is a wasteful number, since it uses less digits than its factorization.

1506901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137002.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1506901 is about 1227.5589598875. The cubic root of 1506901 is about 114.6467040169.

The spelling of 1506901 in words is "one million, five hundred six thousand, nine hundred one".