245303797 has 4 divisors (see below), whose sum is σ = 245337120. Its totient is φ = 245270476.

The previous prime is 245303767. The next prime is 245303801. The reversal of 245303797 is 797303542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 245303797 - 2¹⁵ = 245271029 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245303767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193 + ... + 22150.

It is an arithmetic number, because the mean of its divisors is an integer number (61334280).

Almost surely, 2^245303797 is an apocalyptic number.

It is an amenable number.

245303797 is a deficient number, since it is larger than the sum of its proper divisors (33323).

245303797 is a wasteful number, since it uses less digits than its factorization.

245303797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33322.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 245303797 is about 15662.1772752067. The cubic root of 245303797 is about 625.9910012759.

The spelling of 245303797 in words is "two hundred forty-five million, three hundred three thousand, seven hundred ninety-seven".