245390516 has 24 divisors (see below), whose sum is σ = 491641920. Its totient is φ = 104982912.

The previous prime is 245390471. The next prime is 245390521. The reversal of 245390516 is 615093542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9215 + ... + 23993.

It is an arithmetic number, because the mean of its divisors is an integer number (20485080).

Almost surely, 2^245390516 is an apocalyptic number.

It is an amenable number.

245390516 is an abundant number, since it is smaller than the sum of its proper divisors (246251404).

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

245390516 is a wasteful number, since it uses less digits than its factorization.

245390516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15383 (or 15381 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 245390516 is about 15664.9454515488. The cubic root of 245390516 is about 626.0647586856.

The spelling of 245390516 in words is "two hundred forty-five million, three hundred ninety thousand, five hundred sixteen".