48513825 has 18 divisors (see below), whose sum is σ = 86894054. Its totient is φ = 25873920.

The previous prime is 48513799. The next prime is 48513827. The reversal of 48513825 is 52831584.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 239121 + 48274704 = 489^2 + 6948^2 .

It is not a de Polignac number, because 48513825 - 2⁹ = 48513313 is a prime.

It is a super-2 number, since 2×48513825² = 4707182432261250, which contains 22 as substring.

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 48513825.

It is not an unprimeable number, because it can be changed into a prime (48513827) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 107584 + ... + 108033.

Almost surely, 2^48513825 is an apocalyptic number.

48513825 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

48513825 is a deficient number, since it is larger than the sum of its proper divisors (38380229).

48513825 is a wasteful number, since it uses less digits than its factorization.

48513825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215633 (or 215625 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 48513825 is about 6965.1866450225. The cubic root of 48513825 is about 364.7162992194.

The spelling of 48513825 in words is "forty-eight million, five hundred thirteen thousand, eight hundred twenty-five".