245432647 has 8 divisors (see below), whose sum is σ = 247783536. Its totient is φ = 243093312.

The previous prime is 245432639. The next prime is 245432653. The reversal of 245432647 is 746234542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245432647 - 2³ = 245432639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245432657) 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 in 7 ways as a sum of consecutive naturals, for example, 43228 + ... + 48574.

It is an arithmetic number, because the mean of its divisors is an integer number (30972942).

Almost surely, 2^245432647 is an apocalyptic number.

245432647 is a deficient number, since it is larger than the sum of its proper divisors (2350889).

245432647 is a wasteful number, since it uses less digits than its factorization.

245432647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777.

The product of its digits is 161280, while the sum is 37.

The square root of 245432647 is about 15666.2901479578. The cubic root of 245432647 is about 626.1005862383.

The spelling of 245432647 in words is "two hundred forty-five million, four hundred thirty-two thousand, six hundred forty-seven".