52725130 has 8 divisors (see below), whose sum is σ = 94905252. Its totient is φ = 21090048.

The previous prime is 52725107. The next prime is 52725137. The reversal of 52725130 is 3152725.

It can be written as a sum of positive squares in 2 ways, for example, as 50225569 + 2499561 = 7087^2 + 1581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 52725095 and 52725104.

It is not an unprimeable number, because it can be changed into a prime (52725137) 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, 2636247 + ... + 2636266.

Almost surely, 2^52725130 is an apocalyptic number.

52725130 is a deficient number, since it is larger than the sum of its proper divisors (42180122).

52725130 is a wasteful number, since it uses less digits than its factorization.

52725130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5272520.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 52725130 is about 7261.2071999083. The cubic root of 52725130 is about 374.9780846452.

Adding to 52725130 its reverse (3152725), we get a palindrome (55877855).

The spelling of 52725130 in words is "fifty-two million, seven hundred twenty-five thousand, one hundred thirty".