1025490 has 16 divisors (see below), whose sum is σ = 2461248. Its totient is φ = 273456.

The previous prime is 1025483. The next prime is 1025503. The reversal of 1025490 is 945201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17062 + ... + 17121.

It is an arithmetic number, because the mean of its divisors is an integer number (153828).

2^1025490 is an apocalyptic number.

1025490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025490 is an abundant number, since it is smaller than the sum of its proper divisors (1435758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025490 is a wasteful number, since it uses less digits than its factorization.

1025490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34193.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1025490 is about 1012.6648014027. The cubic root of 1025490 is about 100.8425478606.

The spelling of 1025490 in words is "one million, twenty-five thousand, four hundred ninety".