130553 has 2 divisors, whose sum is σ = 130554. Its totient is φ = 130552.
The previous prime is 130547. The next prime is 130579. The reversal of 130553 is 355031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 76729 + 53824 = 277^2 + 232^2 .
It is an emirp because it is prime and its reverse (355031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 130553 - 26 = 130489 is a prime.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (130513) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65276 + 65277.
It is an arithmetic number, because the mean of its divisors is an integer number (65277).
2130553 is an apocalyptic number.
It is an amenable number.
130553 is a deficient number, since it is larger than the sum of its proper divisors (1).
130553 is an equidigital number, since it uses as much as digits as its factorization.
130553 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 225, while the sum is 17.
The square root of 130553 is about 361.3211867577. The cubic root of 130553 is about 50.7296989831.
Adding to 130553 its reverse (355031), we get a palindrome (485584).
The spelling of 130553 in words is "one hundred thirty thousand, five hundred fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •