1355825 has 12 divisors (see below), whose sum is σ = 1695948. Its totient is φ = 1075200.

The previous prime is 1355819. The next prime is 1355831. The reversal of 1355825 is 5285531.

It is an interprime number because it is at equal distance from previous prime (1355819) and next prime (1355831).

It can be written as a sum of positive squares in 6 ways, for example, as 47089 + 1308736 = 217^2 + 1144^2 .

It is not a de Polignac number, because 1355825 - 2¹⁸ = 1093681 is a prime.

It is a super-2 number, since 2×1355825² = 3676522861250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4685 + ... + 4965.

It is an arithmetic number, because the mean of its divisors is an integer number (141329).

2^1355825 is an apocalyptic number.

It is an amenable number.

1355825 is a deficient number, since it is larger than the sum of its proper divisors (340123).

1355825 is a wasteful number, since it uses less digits than its factorization.

1355825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 479 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 1355825 is about 1164.3989866021. The cubic root of 1355825 is about 110.6796760162.

The spelling of 1355825 in words is "one million, three hundred fifty-five thousand, eight hundred twenty-five".