245213504 has 28 divisors (see below), whose sum is σ = 499751604. Its totient is φ = 119291904.

The previous prime is 245213483. The next prime is 245213509. The reversal of 245213504 is 405312542.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 87459904 + 157753600 = 9352^2 + 12560^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245213509) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 49409 + ... + 54144.

Almost surely, 2^245213504 is an apocalyptic number.

It is an amenable number.

245213504 is an abundant number, since it is smaller than the sum of its proper divisors (254538100).

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

245213504 is a wasteful number, since it uses less digits than its factorization.

245213504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103602 (or 103592 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 245213504 is about 15659.2944924093. The cubic root of 245213504 is about 625.9141855849.

The spelling of 245213504 in words is "two hundred forty-five million, two hundred thirteen thousand, five hundred four".