612148725 has 48 divisors (see below), whose sum is σ = 1143051840. Its totient is φ = 321105600.

The previous prime is 612148717. The next prime is 612148729. The reversal of 612148725 is 527841216.

612148725 is a `hidden beast` number, since 612 + 14 + 8 + 7 + 25 = 666.

It is not a de Polignac number, because 612148725 - 2³ = 612148717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 612148725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612148729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33742 + ... + 48608.

It is an arithmetic number, because the mean of its divisors is an integer number (23813580).

Almost surely, 2^612148725 is an apocalyptic number.

It is an amenable number.

612148725 is a deficient number, since it is larger than the sum of its proper divisors (530903115).

612148725 is a wasteful number, since it uses less digits than its factorization.

612148725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14947 (or 14936 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 612148725 is about 24741.6394970099. The cubic root of 612148725 is about 849.0872439655.

The spelling of 612148725 in words is "six hundred twelve million, one hundred forty-eight thousand, seven hundred twenty-five".