1023525 has 18 divisors (see below), whose sum is σ = 1833650. Its totient is φ = 545760.

The previous prime is 1023521. The next prime is 1023541. The reversal of 1023525 is 5253201.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 136161 + 887364 = 369^2 + 942^2 .

It is not a de Polignac number, because 1023525 - 2² = 1023521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1023498 and 1023507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023521) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2050 + ... + 2499.

2^1023525 is an apocalyptic number.

1023525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1023525 is a deficient number, since it is larger than the sum of its proper divisors (810125).

1023525 is a wasteful number, since it uses less digits than its factorization.

1023525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565 (or 4557 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1023525 is about 1011.6941237350. The cubic root of 1023525 is about 100.7780966203.

Adding to 1023525 its reverse (5253201), we get a palindrome (6276726).

The spelling of 1023525 in words is "one million, twenty-three thousand, five hundred twenty-five".