131525453 has 2 divisors, whose sum is σ = 131525454. Its totient is φ = 131525452.

The previous prime is 131525437. The next prime is 131525473. The reversal of 131525453 is 354525131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70341769 + 61183684 = 8387^2 + 7822^2 .

It is an emirp because it is prime and its reverse (354525131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131525453 - 2⁴ = 131525437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131525423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65762726 + 65762727.

It is an arithmetic number, because the mean of its divisors is an integer number (65762727).

Almost surely, 2^131525453 is an apocalyptic number.

It is an amenable number.

131525453 is a deficient number, since it is larger than the sum of its proper divisors (1).

131525453 is an equidigital number, since it uses as much as digits as its factorization.

131525453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 29.

The square root of 131525453 is about 11468.4546910209. The cubic root of 131525453 is about 508.5534467216.

The spelling of 131525453 in words is "one hundred thirty-one million, five hundred twenty-five thousand, four hundred fifty-three".