245216253 has 8 divisors (see below), whose sum is σ = 327293568. Its totient is φ = 163308224.

The previous prime is 245216243. The next prime is 245216263. The reversal of 245216253 is 352612542.

It is an interprime number because it is at equal distance from previous prime (245216243) and next prime (245216263).

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 245216253 - 2⁵ = 245216221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245216253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245216233) 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, 38901 + ... + 44762.

It is an arithmetic number, because the mean of its divisors is an integer number (40911696).

Almost surely, 2^245216253 is an apocalyptic number.

It is an amenable number.

245216253 is a deficient number, since it is larger than the sum of its proper divisors (82077315).

245216253 is an equidigital number, since it uses as much as digits as its factorization.

245216253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84643.

The product of its digits is 14400, while the sum is 30.

The square root of 245216253 is about 15659.3822675098. The cubic root of 245216253 is about 625.9165245421.

Adding to 245216253 its reverse (352612542), we get a palindrome (597828795).

The spelling of 245216253 in words is "two hundred forty-five million, two hundred sixteen thousand, two hundred fifty-three".