245224801 has 8 divisors (see below), whose sum is σ = 246469608. Its totient is φ = 243984000.

The previous prime is 245224751. The next prime is 245224817. The reversal of 245224801 is 108422542.

It can be written as a sum of positive squares in 4 ways, for example, as 12967201 + 232257600 = 3601^2 + 15240^2 .

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 245224801 - 2⁷ = 245224673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245224801.

It is not an unprimeable number, because it can be changed into a prime (245224831) 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, 239671 + ... + 240691.

It is an arithmetic number, because the mean of its divisors is an integer number (30808701).

Almost surely, 2^245224801 is an apocalyptic number.

It is an amenable number.

245224801 is a deficient number, since it is larger than the sum of its proper divisors (1244807).

245224801 is a wasteful number, since it uses less digits than its factorization.

245224801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 245224801 is about 15659.6552005464. The cubic root of 245224801 is about 625.9237974046.

The spelling of 245224801 in words is "two hundred forty-five million, two hundred twenty-four thousand, eight hundred one".