505220534 has 32 divisors (see below), whose sum is σ = 934752000. Its totient is φ = 199431072.

The previous prime is 505220489. The next prime is 505220557. The reversal of 505220534 is 435022505.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88037 + ... + 93599.

It is an arithmetic number, because the mean of its divisors is an integer number (29211000).

Almost surely, 2^505220534 is an apocalyptic number.

505220534 is a deficient number, since it is larger than the sum of its proper divisors (429531466).

505220534 is a wasteful number, since it uses less digits than its factorization.

505220534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6084.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 505220534 is about 22477.1113357566. Note that the first 3 decimals coincide. The cubic root of 505220534 is about 796.4533277560.

The spelling of 505220534 in words is "five hundred five million, two hundred twenty thousand, five hundred thirty-four".