485661501 has 24 divisors (see below), whose sum is σ = 783459040. Its totient is φ = 298866672.

The previous prime is 485661499. The next prime is 485661503. The reversal of 485661501 is 105166584.

485661501 is a `hidden beast` number, since 48 + 56 + 61 + 501 = 666.

It is an interprime number because it is at equal distance from previous prime (485661499) and next prime (485661503).

It is not a de Polignac number, because 485661501 - 2¹ = 485661499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485661503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73711 + ... + 80028.

Almost surely, 2^485661501 is an apocalyptic number.

It is an amenable number.

485661501 is a deficient number, since it is larger than the sum of its proper divisors (297797539).

485661501 is a wasteful number, since it uses less digits than its factorization.

485661501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153767 (or 153755 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 485661501 is about 22037.7290345444. The cubic root of 485661501 is about 786.0398412297.

The spelling of 485661501 in words is "four hundred eighty-five million, six hundred sixty-one thousand, five hundred one".