131422553 has 2 divisors, whose sum is σ = 131422554. Its totient is φ = 131422552.

The previous prime is 131422549. The next prime is 131422579. The reversal of 131422553 is 355224131.

It is a happy number.

It is an a-pointer prime, because the next prime (131422579) can be obtained adding 131422553 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113891584 + 17530969 = 10672^2 + 4187^2 .

It is a cyclic number.

It is not a de Polignac number, because 131422553 - 2² = 131422549 is a prime.

It is not a weakly prime, because it can be changed into another prime (131422453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65711276 + 65711277.

It is an arithmetic number, because the mean of its divisors is an integer number (65711277).

Almost surely, 2^131422553 is an apocalyptic number.

It is an amenable number.

131422553 is a deficient number, since it is larger than the sum of its proper divisors (1).

131422553 is an equidigital number, since it uses as much as digits as its factorization.

131422553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 26.

The square root of 131422553 is about 11463.9675941622. The cubic root of 131422553 is about 508.4207884886.

Adding to 131422553 its reverse (355224131), we get a palindrome (486646684).

The spelling of 131422553 in words is "one hundred thirty-one million, four hundred twenty-two thousand, five hundred fifty-three".