427405052 has 12 divisors (see below), whose sum is σ = 749018760. Its totient is φ = 213399696.

The previous prime is 427405037. The next prime is 427405061. The reversal of 427405052 is 250504724.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72518 + ... + 78189.

It is an arithmetic number, because the mean of its divisors is an integer number (62418230).

Almost surely, 2^427405052 is an apocalyptic number.

It is an amenable number.

427405052 is a deficient number, since it is larger than the sum of its proper divisors (321613708).

427405052 is a wasteful number, since it uses less digits than its factorization.

427405052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151420 (or 151418 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 427405052 is about 20673.7769166643. The cubic root of 427405052 is about 753.2628523266.

Adding to 427405052 its reverse (250504724), we get a palindrome (677909776).

The spelling of 427405052 in words is "four hundred twenty-seven million, four hundred five thousand, fifty-two".