1025530 has 16 divisors (see below), whose sum is σ = 2013984. Its totient is φ = 372880.

The previous prime is 1025513. The next prime is 1025537. The reversal of 1025530 is 355201.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (1025537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4552 + ... + 4771.

It is an arithmetic number, because the mean of its divisors is an integer number (125874).

2^1025530 is an apocalyptic number.

1025530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025530 is a deficient number, since it is larger than the sum of its proper divisors (988454).

1025530 is a wasteful number, since it uses less digits than its factorization.

1025530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9341.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 1025530 is about 1012.6845510819. The cubic root of 1025530 is about 100.8438589897.

The spelling of 1025530 in words is "one million, twenty-five thousand, five hundred thirty".