505514131 has 4 divisors (see below), whose sum is σ = 508436352. Its totient is φ = 502591912.

The previous prime is 505514101. The next prime is 505514143. The reversal of 505514131 is 131415505.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 505514131 - 2¹⁷ = 505383059 is a prime.

It is a super-2 number, since 2×505514131² = 511089073281370322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505514096 and 505514105.

It is not an unprimeable number, because it can be changed into a prime (505514101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460851 + ... + 1461196.

It is an arithmetic number, because the mean of its divisors is an integer number (127109088).

Almost surely, 2^505514131 is an apocalyptic number.

505514131 is a deficient number, since it is larger than the sum of its proper divisors (2922221).

505514131 is a wasteful number, since it uses less digits than its factorization.

505514131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922220.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 505514131 is about 22483.6414088110. The cubic root of 505514131 is about 796.6075779038.

Adding to 505514131 its reverse (131415505), we get a palindrome (636929636).

The spelling of 505514131 in words is "five hundred five million, five hundred fourteen thousand, one hundred thirty-one".