245517632 has 14 divisors (see below), whose sum is σ = 487199178. Its totient is φ = 122758784.

The previous prime is 245517611. The next prime is 245517637. The reversal of 245517632 is 236715542.

It can be written as a sum of positive squares in only one way, i.e., 236421376 + 9096256 = 15376^2 + 3016^2 .

It is a junction number, because it is equal to n+sod(n) for n = 245517592 and 245517601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245517637) 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 as a sum of consecutive naturals, namely, 1918043 + ... + 1918170.

Almost surely, 2^245517632 is an apocalyptic number.

It is an amenable number.

245517632 is a deficient number, since it is larger than the sum of its proper divisors (241681546).

245517632 is an equidigital number, since it uses as much as digits as its factorization.

245517632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836225 (or 3836215 counting only the distinct ones).

The product of its digits is 50400, while the sum is 35.

The square root of 245517632 is about 15669.0022656199. The cubic root of 245517632 is about 626.1728436969.

The spelling of 245517632 in words is "two hundred forty-five million, five hundred seventeen thousand, six hundred thirty-two".