505257334 has 4 divisors (see below), whose sum is σ = 757886004. Its totient is φ = 252628666.

The previous prime is 505257301. The next prime is 505257349. The reversal of 505257334 is 433752505.

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

It is a self number, because there is not a number n which added to its sum of digits gives 505257334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126314332 + ... + 126314335.

It is an arithmetic number, because the mean of its divisors is an integer number (189471501).

Almost surely, 2^505257334 is an apocalyptic number.

505257334 is a deficient number, since it is larger than the sum of its proper divisors (252628670).

505257334 is a wasteful number, since it uses less digits than its factorization.

505257334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252628669.

The product of its (nonzero) digits is 63000, while the sum is 34.

The square root of 505257334 is about 22477.9299313794. The cubic root of 505257334 is about 796.4726650348.

The spelling of 505257334 in words is "five hundred five million, two hundred fifty-seven thousand, three hundred thirty-four".