245232530 has 16 divisors (see below), whose sum is σ = 441647424. Its totient is φ = 98042160.

The previous prime is 245232527. The next prime is 245232539. The reversal of 245232530 is 35232542.

It is a self number, because there is not a number n which added to its sum of digits gives 245232530.

It is not an unprimeable number, because it can be changed into a prime (245232539) 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 7 ways as a sum of consecutive naturals, for example, 18539 + ... + 28881.

It is an arithmetic number, because the mean of its divisors is an integer number (27602964).

Almost surely, 2^245232530 is an apocalyptic number.

245232530 is a deficient number, since it is larger than the sum of its proper divisors (196414894).

245232530 is a wasteful number, since it uses less digits than its factorization.

245232530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12721.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 245232530 is about 15659.9019792590. The cubic root of 245232530 is about 625.9303732950.

The spelling of 245232530 in words is "two hundred forty-five million, two hundred thirty-two thousand, five hundred thirty".