1325550 has 24 divisors (see below), whose sum is σ = 3287736. Its totient is φ = 353440.

The previous prime is 1325543. The next prime is 1325557. The reversal of 1325550 is 555231.

It is an interprime number because it is at equal distance from previous prime (1325543) and next prime (1325557).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4269 + ... + 4568.

It is an arithmetic number, because the mean of its divisors is an integer number (136989).

2^1325550 is an apocalyptic number.

1325550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1325550 is an abundant number, since it is smaller than the sum of its proper divisors (1962186).

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

1325550 is a wasteful number, since it uses less digits than its factorization.

1325550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8852 (or 8847 counting only the distinct ones).

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

The square root of 1325550 is about 1151.3253232688. The cubic root of 1325550 is about 109.8496568702.

The spelling of 1325550 in words is "one million, three hundred twenty-five thousand, five hundred fifty".