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131363525 = 5213140111
BaseRepresentation
bin1111101010001…
…11001011000101
3100011011221212202
413311013023011
5232112113100
621011324245
73153400016
oct765071305
9304157782
10131363525
11681733a7
1237bb0685
13212a52c7
141363700d
15b7ec7d5
hex7d472c5

131363525 has 12 divisors (see below), whose sum is σ = 164138304. Its totient is φ = 104286000.

The previous prime is 131363501. The next prime is 131363537. The reversal of 131363525 is 525363131.

It is not a de Polignac number, because 131363525 - 28 = 131363269 is a prime.

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, 16781 + ... + 23330.

It is an arithmetic number, because the mean of its divisors is an integer number (13678192).

Almost surely, 2131363525 is an apocalyptic number.

It is an amenable number.

131363525 is a deficient number, since it is larger than the sum of its proper divisors (32774779).

131363525 is a wasteful number, since it uses less digits than its factorization.

131363525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40252 (or 40247 counting only the distinct ones).

The product of its digits is 8100, while the sum is 29.

The square root of 131363525 is about 11461.3928036692. The cubic root of 131363525 is about 508.3446585909.

It can be divided in two parts, 13136 and 3525, that added together give a palindrome (16661).

The spelling of 131363525 in words is "one hundred thirty-one million, three hundred sixty-three thousand, five hundred twenty-five".

Divisors: 1 5 25 131 655 3275 40111 200555 1002775 5254541 26272705 131363525