1025355 has 16 divisors (see below), whose sum is σ = 1737504. Its totient is φ = 514560.

The previous prime is 1025351. The next prime is 1025383. The reversal of 1025355 is 5535201.

It is not a de Polignac number, because 1025355 - 2² = 1025351 is a prime.

1025355 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1025351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1756 + ... + 2265.

It is an arithmetic number, because the mean of its divisors is an integer number (108594).

2^1025355 is an apocalyptic number.

1025355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1025355 is a deficient number, since it is larger than the sum of its proper divisors (712149).

1025355 is a wasteful number, since it uses less digits than its factorization.

1025355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 1025355 is about 1012.5981433915. The cubic root of 1025355 is about 100.8381225480.

The spelling of 1025355 in words is "one million, twenty-five thousand, three hundred fifty-five".