245224351 has 4 divisors (see below), whose sum is σ = 247394592. Its totient is φ = 243054112.

The previous prime is 245224339. The next prime is 245224373. The reversal of 245224351 is 153422542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245224351 - 2¹³ = 245216159 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 (245224391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084951 + ... + 1085176.

It is an arithmetic number, because the mean of its divisors is an integer number (61848648).

Almost surely, 2^245224351 is an apocalyptic number.

245224351 is a deficient number, since it is larger than the sum of its proper divisors (2170241).

245224351 is a wasteful number, since it uses less digits than its factorization.

245224351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170240.

The product of its digits is 9600, while the sum is 28.

The square root of 245224351 is about 15659.6408324074. The cubic root of 245224351 is about 625.9234145370.

Adding to 245224351 its reverse (153422542), we get a palindrome (398646893).

The spelling of 245224351 in words is "two hundred forty-five million, two hundred twenty-four thousand, three hundred fifty-one".