427039537 has 4 divisors (see below), whose sum is σ = 427974436. Its totient is φ = 426104640.

The previous prime is 427039523. The next prime is 427039583. The reversal of 427039537 is 735930724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 198697216 + 228342321 = 14096^2 + 15111^2 .

It is a cyclic number.

It is not a de Polignac number, because 427039537 - 2²³ = 418650929 is a prime.

It is a super-3 number, since 3×427039537³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 427039537.

It is not an unprimeable number, because it can be changed into a prime (427039637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466764 + ... + 467677.

It is an arithmetic number, because the mean of its divisors is an integer number (106993609).

Almost surely, 2^427039537 is an apocalyptic number.

It is an amenable number.

427039537 is a deficient number, since it is larger than the sum of its proper divisors (934899).

427039537 is an equidigital number, since it uses as much as digits as its factorization.

427039537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934898.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 427039537 is about 20664.9349623946. The cubic root of 427039537 is about 753.0480620129.

The spelling of 427039537 in words is "four hundred twenty-seven million, thirty-nine thousand, five hundred thirty-seven".