505132634 has 4 divisors (see below), whose sum is σ = 757698954. Its totient is φ = 252566316.

The previous prime is 505132619. The next prime is 505132637. The reversal of 505132634 is 436231505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 436231505 = 5 ⋅87246301.

It can be written as a sum of positive squares in only one way, i.e., 259113409 + 246019225 = 16097^2 + 15685^2 .

It is a junction number, because it is equal to n+sod(n) for n = 505132597 and 505132606.

It is not an unprimeable number, because it can be changed into a prime (505132637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126283157 + ... + 126283160.

Almost surely, 2^505132634 is an apocalyptic number.

505132634 is a deficient number, since it is larger than the sum of its proper divisors (252566320).

505132634 is a wasteful number, since it uses less digits than its factorization.

505132634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252566319.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 505132634 is about 22475.1559282689. The cubic root of 505132634 is about 796.4071351838.

The spelling of 505132634 in words is "five hundred five million, one hundred thirty-two thousand, six hundred thirty-four".