660230025 has 48 divisors (see below), whose sum is σ = 1343497344. Its totient is φ = 278599680.

The previous prime is 660229963. The next prime is 660230047. The reversal of 660230025 is 520032066.

It is not a de Polignac number, because 660230025 - 2¹³ = 660221833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 660229977 and 660230004.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41544 + ... + 55193.

It is an arithmetic number, because the mean of its divisors is an integer number (27989528).

Almost surely, 2^660230025 is an apocalyptic number.

660230025 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

660230025 is an abundant number, since it is smaller than the sum of its proper divisors (683267319).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

660230025 is a wasteful number, since it uses less digits than its factorization.

660230025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96770 (or 96765 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 660230025 is about 25694.9416228175. The cubic root of 660230025 is about 870.7599054917.

The spelling of 660230025 in words is "six hundred sixty million, two hundred thirty thousand, twenty-five".