505155652 has 12 divisors (see below), whose sum is σ = 891846396. Its totient is φ = 250342400.

The previous prime is 505155643. The next prime is 505155661. The reversal of 505155652 is 256551505.

It is an interprime number because it is at equal distance from previous prime (505155643) and next prime (505155661).

It can be written as a sum of positive squares in 2 ways, for example, as 126697536 + 378458116 = 11256^2 + 19454^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558349 + ... + 559252.

It is an arithmetic number, because the mean of its divisors is an integer number (74320533).

Almost surely, 2^505155652 is an apocalyptic number.

It is an amenable number.

505155652 is a deficient number, since it is larger than the sum of its proper divisors (386690744).

505155652 is a wasteful number, since it uses less digits than its factorization.

505155652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117718 (or 1117716 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 34.

The square root of 505155652 is about 22475.6679989717. The cubic root of 505155652 is about 796.4192319546.

The spelling of 505155652 in words is "five hundred five million, one hundred fifty-five thousand, six hundred fifty-two".