1501825 has 12 divisors (see below), whose sum is σ = 2005948. Its totient is φ = 1108800.

The previous prime is 1501811. The next prime is 1501837. The reversal of 1501825 is 5281051.

It can be written as a sum of positive squares in 6 ways, for example, as 229441 + 1272384 = 479^2 + 1128^2 .

It is not a de Polignac number, because 1501825 - 2¹³ = 1493633 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1501796 and 1501805.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1986 + ... + 2635.

2^1501825 is an apocalyptic number.

It is an amenable number.

1501825 is a deficient number, since it is larger than the sum of its proper divisors (504123).

1501825 is a wasteful number, since it uses less digits than its factorization.

1501825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644 (or 4639 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1501825 is about 1225.4896980391. The cubic root of 1501825 is about 114.5178299624.

Adding to 1501825 its reverse (5281051), we get a palindrome (6782876).

The spelling of 1501825 in words is "one million, five hundred one thousand, eight hundred twenty-five".