245561632 has 12 divisors (see below), whose sum is σ = 483449526. Its totient is φ = 122780800.

The previous prime is 245561629. The next prime is 245561663. The reversal of 245561632 is 236165542.

It can be written as a sum of positive squares in only one way, i.e., 182898576 + 62663056 = 13524^2 + 7916^2 .

It is a super-2 number, since 2×245561632² = 120601030221006848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 3836869 + ... + 3836932.

Almost surely, 2^245561632 is an apocalyptic number.

It is an amenable number.

245561632 is a deficient number, since it is larger than the sum of its proper divisors (237887894).

245561632 is an equidigital number, since it uses as much as digits as its factorization.

245561632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7673811 (or 7673803 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 245561632 is about 15670.4062487225. The cubic root of 245561632 is about 626.2102476085.

The spelling of 245561632 in words is "two hundred forty-five million, five hundred sixty-one thousand, six hundred thirty-two".