52470689 has 4 divisors (see below), whose sum is σ = 53460756. Its totient is φ = 51480624.

The previous prime is 52470679. The next prime is 52470697. The reversal of 52470689 is 98607425.

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 22877089 + 29593600 = 4783^2 + 5440^2 .

It is a cyclic number.

It is not a de Polignac number, because 52470689 - 2⁴ = 52470673 is a prime.

It is a super-3 number, since 3×52470689³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52470629) 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, 494954 + ... + 495059.

It is an arithmetic number, because the mean of its divisors is an integer number (13365189).

Almost surely, 2^52470689 is an apocalyptic number.

It is an amenable number.

52470689 is a deficient number, since it is larger than the sum of its proper divisors (990067).

52470689 is an equidigital number, since it uses as much as digits as its factorization.

52470689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990066.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 52470689 is about 7243.6654395410. The cubic root of 52470689 is about 374.3739218366.

The spelling of 52470689 in words is "fifty-two million, four hundred seventy thousand, six hundred eighty-nine".