427530501 has 32 divisors (see below), whose sum is σ = 675561600. Its totient is φ = 266284800.

The previous prime is 427530497. The next prime is 427530503. The reversal of 427530501 is 105035724.

It is a happy number.

It is not a de Polignac number, because 427530501 - 2² = 427530497 is a prime.

It is a super-2 number, since 2×427530501² = 365564658570622002, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427530503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60451 + ... + 67151.

It is an arithmetic number, because the mean of its divisors is an integer number (21111300).

Almost surely, 2^427530501 is an apocalyptic number.

It is an amenable number.

427530501 is a deficient number, since it is larger than the sum of its proper divisors (248031099).

427530501 is a wasteful number, since it uses less digits than its factorization.

427530501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6866 (or 6860 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 427530501 is about 20676.8107066830. The cubic root of 427530501 is about 753.3365426330.

The spelling of 427530501 in words is "four hundred twenty-seven million, five hundred thirty thousand, five hundred one".