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1315325 = 52114783
BaseRepresentation
bin101000001000111111101
32110211021202
411001013331
5314042300
644105245
714115524
oct5010775
92424252
101315325
11819250
12535225
133708cb
142634bb
151aead5
hex1411fd

1315325 has 12 divisors (see below), whose sum is σ = 1779648. Its totient is φ = 956400.

The previous prime is 1315309. The next prime is 1315367. The reversal of 1315325 is 5235131.

It is not a de Polignac number, because 1315325 - 24 = 1315309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1315297 and 1315306.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2117 + ... + 2666.

It is an arithmetic number, because the mean of its divisors is an integer number (148304).

21315325 is an apocalyptic number.

It is an amenable number.

1315325 is a deficient number, since it is larger than the sum of its proper divisors (464323).

1315325 is a wasteful number, since it uses less digits than its factorization.

1315325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804 (or 4799 counting only the distinct ones).

The product of its digits is 450, while the sum is 20.

The square root of 1315325 is about 1146.8761920975. The cubic root of 1315325 is about 109.5664754854.

The spelling of 1315325 in words is "one million, three hundred fifteen thousand, three hundred twenty-five".

Divisors: 1 5 11 25 55 275 4783 23915 52613 119575 263065 1315325