1025590 has 8 divisors (see below), whose sum is σ = 1846080. Its totient is φ = 410232.

The previous prime is 1025579. The next prime is 1025611. The reversal of 1025590 is 955201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51270 + ... + 51289.

It is an arithmetic number, because the mean of its divisors is an integer number (230760).

2^1025590 is an apocalyptic number.

1025590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025590 is a deficient number, since it is larger than the sum of its proper divisors (820490).

1025590 is a wasteful number, since it uses less digits than its factorization.

1025590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102566.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1025590 is about 1012.7141748786. The cubic root of 1025590 is about 100.8458256195.

It can be divided in two parts, 10 and 25590, that added together give a square (25600 = 160²).

The spelling of 1025590 in words is "one million, twenty-five thousand, five hundred ninety".