52071625 has 8 divisors (see below), whose sum is σ = 64985544. Its totient is φ = 41657200.

The previous prime is 52071577. The next prime is 52071653. The reversal of 52071625 is 52617025.

It can be written as a sum of positive squares in 4 ways, for example, as 992016 + 51079609 = 996^2 + 7147^2 .

It is not a de Polignac number, because 52071625 - 2⁹ = 52071113 is a prime.

It is a super-2 number, since 2×52071625² = 5422908260281250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52071593 and 52071602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208162 + ... + 208411.

It is an arithmetic number, because the mean of its divisors is an integer number (8123193).

Almost surely, 2^52071625 is an apocalyptic number.

It is an amenable number.

52071625 is a deficient number, since it is larger than the sum of its proper divisors (12913919).

52071625 is an equidigital number, since it uses as much as digits as its factorization.

52071625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416588 (or 416578 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 52071625 is about 7216.0671421488. The cubic root of 52071625 is about 373.4224095663.

It can be divided in two parts, 5 and 2071625, that added together give a triangular number (2071630 = T₂₀₃₅).

The spelling of 52071625 in words is "fifty-two million, seventy-one thousand, six hundred twenty-five".