245221463 has 8 divisors (see below), whose sum is σ = 247455648. Its totient is φ = 242997664.

The previous prime is 245221453. The next prime is 245221489. The reversal of 245221463 is 364122542.

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 245221463 - 2⁶ = 245221399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245221453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49445 + ... + 54177.

It is an arithmetic number, because the mean of its divisors is an integer number (30931956).

Almost surely, 2^245221463 is an apocalyptic number.

245221463 is a deficient number, since it is larger than the sum of its proper divisors (2234185).

245221463 is a wasteful number, since it uses less digits than its factorization.

245221463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5193.

The product of its digits is 11520, while the sum is 29.

The square root of 245221463 is about 15659.5486205701. The cubic root of 245221463 is about 625.9209573668.

The spelling of 245221463 in words is "two hundred forty-five million, two hundred twenty-one thousand, four hundred sixty-three".