245392530 has 16 divisors (see below), whose sum is σ = 588942144. Its totient is φ = 65438000.

The previous prime is 245392517. The next prime is 245392531. The reversal of 245392530 is 35293542.

It is a junction number, because it is equal to n+sod(n) for n = 245392491 and 245392500.

It is not an unprimeable number, because it can be changed into a prime (245392531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4089846 + ... + 4089905.

It is an arithmetic number, because the mean of its divisors is an integer number (36808884).

Almost surely, 2^245392530 is an apocalyptic number.

245392530 is an abundant number, since it is smaller than the sum of its proper divisors (343549614).

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

245392530 is a wasteful number, since it uses less digits than its factorization.

245392530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8179761.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 245392530 is about 15665.0097350752. The cubic root of 245392530 is about 626.0664714534.

The spelling of 245392530 in words is "two hundred forty-five million, three hundred ninety-two thousand, five hundred thirty".