1325655 has 24 divisors (see below), whose sum is σ = 2330640. Its totient is φ = 696960.

The previous prime is 1325633. The next prime is 1325657. The reversal of 1325655 is 5565231.

1325655 is a `hidden beast` number, since 1 + 3 + 2 + 5 + 655 = 666.

It is not a de Polignac number, because 1325655 - 2⁸ = 1325399 is a prime.

It is a super-2 number, since 2×1325655² = 3514722358050, which contains 22 as substring.

1325655 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3840 + ... + 4170.

It is an arithmetic number, because the mean of its divisors is an integer number (97110).

2^1325655 is an apocalyptic number.

1325655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1325655 is a deficient number, since it is larger than the sum of its proper divisors (1004985).

1325655 is a wasteful number, since it uses less digits than its factorization.

1325655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 428 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 1325655 is about 1151.3709219882. The cubic root of 1325655 is about 109.8525572787.

The spelling of 1325655 in words is "one million, three hundred twenty-five thousand, six hundred fifty-five".