245361956 has 24 divisors (see below), whose sum is σ = 502138560. Its totient is φ = 102709152.

The previous prime is 245361899. The next prime is 245361959. The reversal of 245361956 is 659163542.

It is not an unprimeable number, because it can be changed into a prime (245361959) 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, 100691 + ... + 103098.

It is an arithmetic number, because the mean of its divisors is an integer number (20922440).

Almost surely, 2^245361956 is an apocalyptic number.

It is an amenable number.

245361956 is an abundant number, since it is smaller than the sum of its proper divisors (256776604).

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

245361956 is a wasteful number, since it uses less digits than its factorization.

245361956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203843 (or 203841 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The square root of 245361956 is about 15664.0338355099. The cubic root of 245361956 is about 626.0404693697.

The spelling of 245361956 in words is "two hundred forty-five million, three hundred sixty-one thousand, nine hundred fifty-six".