53140025 has 6 divisors (see below), whose sum is σ = 65893662. Its totient is φ = 42512000.

The previous prime is 53140013. The next prime is 53140027. The reversal of 53140025 is 52004135.

It can be written as a sum of positive squares in 3 ways, for example, as 678976 + 52461049 = 824^2 + 7243^2 .

It is not a de Polignac number, because 53140025 - 2¹⁴ = 53123641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53139979 and 53140006.

It is not an unprimeable number, because it can be changed into a prime (53140027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1062776 + ... + 1062825.

It is an arithmetic number, because the mean of its divisors is an integer number (10982277).

Almost surely, 2^53140025 is an apocalyptic number.

It is an amenable number.

53140025 is a deficient number, since it is larger than the sum of its proper divisors (12753637).

53140025 is a wasteful number, since it uses less digits than its factorization.

53140025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125611 (or 2125606 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 53140025 is about 7289.7205021866. The cubic root of 53140025 is about 375.9590857284.

The spelling of 53140025 in words is "fifty-three million, one hundred forty thousand, twenty-five".