245724884 has 6 divisors (see below), whose sum is σ = 430018554. Its totient is φ = 122862440.

The previous prime is 245724877. The next prime is 245724887. The reversal of 245724884 is 488427542.

It can be written as a sum of positive squares in only one way, i.e., 232562500 + 13162384 = 15250^2 + 3628^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245724887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30715607 + ... + 30715614.

It is an arithmetic number, because the mean of its divisors is an integer number (71669759).

Almost surely, 2^245724884 is an apocalyptic number.

It is an amenable number.

245724884 is a deficient number, since it is larger than the sum of its proper divisors (184293670).

245724884 is a wasteful number, since it uses less digits than its factorization.

245724884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61431225 (or 61431223 counting only the distinct ones).

The product of its digits is 573440, while the sum is 44.

The square root of 245724884 is about 15675.6143101315. The cubic root of 245724884 is about 626.3489872918.

The spelling of 245724884 in words is "two hundred forty-five million, seven hundred twenty-four thousand, eight hundred eighty-four".