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131532325 = 5215134843
BaseRepresentation
bin1111101011100…
…00011000100101
3100011111112102121
413311300120211
5232133013300
621015105541
73155002111
oct765603045
9304445377
10131532325
1168279201
12380722b1
13213340a2
141367c741
15b83281a
hex7d70625

131532325 has 12 divisors (see below), whose sum is σ = 164184928. Its totient is φ = 104526000.

The previous prime is 131532311. The next prime is 131532337. The reversal of 131532325 is 523235131.

It is not a de Polignac number, because 131532325 - 25 = 131532293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131532325.

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, 13647 + ... + 21196.

Almost surely, 2131532325 is an apocalyptic number.

It is an amenable number.

131532325 is a deficient number, since it is larger than the sum of its proper divisors (32652603).

131532325 is a wasteful number, since it uses less digits than its factorization.

131532325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35004 (or 34999 counting only the distinct ones).

The product of its digits is 2700, while the sum is 25.

The square root of 131532325 is about 11468.7542915523. The cubic root of 131532325 is about 508.5623036091.

Adding to 131532325 its reverse (523235131), we get a palindrome (654767456).

The spelling of 131532325 in words is "one hundred thirty-one million, five hundred thirty-two thousand, three hundred twenty-five".

Divisors: 1 5 25 151 755 3775 34843 174215 871075 5261293 26306465 131532325