1538025 has 12 divisors (see below), whose sum is σ = 2542992. Its totient is φ = 820240.

The previous prime is 1538023. The next prime is 1538027. The reversal of 1538025 is 5208351.

It is an interprime number because it is at equal distance from previous prime (1538023) and next prime (1538027).

It is not a de Polignac number, because 1538025 - 2¹ = 1538023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1537986 and 1538004.

It is not an unprimeable number, because it can be changed into a prime (1538023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10179 + ... + 10328.

It is an arithmetic number, because the mean of its divisors is an integer number (211916).

2^1538025 is an apocalyptic number.

1538025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1538025 is a deficient number, since it is larger than the sum of its proper divisors (1004967).

1538025 is a wasteful number, since it uses less digits than its factorization.

1538025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20520 (or 20515 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1538025 is about 1240.1713591274. The cubic root of 1538025 is about 115.4306474453.

The spelling of 1538025 in words is "one million, five hundred thirty-eight thousand, twenty-five".