1501025 has 6 divisors (see below), whose sum is σ = 1861302. Its totient is φ = 1200800.

The previous prime is 1501021. The next prime is 1501037. The reversal of 1501025 is 5201051.

It can be written as a sum of positive squares in 3 ways, for example, as 516961 + 984064 = 719^2 + 992^2 .

It is not a de Polignac number, because 1501025 - 2² = 1501021 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1501021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29996 + ... + 30045.

It is an arithmetic number, because the mean of its divisors is an integer number (310217).

2^1501025 is an apocalyptic number.

It is an amenable number.

1501025 is a deficient number, since it is larger than the sum of its proper divisors (360277).

1501025 is an equidigital number, since it uses as much as digits as its factorization.

1501025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60051 (or 60046 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 1501025 is about 1225.1632544278. The cubic root of 1501025 is about 114.4974923651.

Adding to 1501025 its reverse (5201051), we get a palindrome (6702076).

The spelling of 1501025 in words is "one million, five hundred one thousand, twenty-five".