427514521 has 32 divisors (see below), whose sum is σ = 537200640. Its totient is φ = 332928000.

The previous prime is 427514519. The next prime is 427514533. The reversal of 427514521 is 125415724.

It is not a de Polignac number, because 427514521 - 2¹ = 427514519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427514551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1065921 + ... + 1066321.

It is an arithmetic number, because the mean of its divisors is an integer number (16787520).

Almost surely, 2^427514521 is an apocalyptic number.

It is an amenable number.

427514521 is a deficient number, since it is larger than the sum of its proper divisors (109686119).

427514521 is an equidigital number, since it uses as much as digits as its factorization.

427514521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 456 counting only the distinct ones).

The product of its digits is 11200, while the sum is 31.

The square root of 427514521 is about 20676.4242798410. The cubic root of 427514521 is about 753.3271565830.

The spelling of 427514521 in words is "four hundred twenty-seven million, five hundred fourteen thousand, five hundred twenty-one".