245281373 has 4 divisors (see below), whose sum is σ = 246651840. Its totient is φ = 243910908.

The previous prime is 245281369. The next prime is 245281409. The reversal of 245281373 is 373182542.

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.

It is a cyclic number.

It is not a de Polignac number, because 245281373 - 2² = 245281369 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 (245281313) 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, 684965 + ... + 685322.

It is an arithmetic number, because the mean of its divisors is an integer number (61662960).

Almost surely, 2^245281373 is an apocalyptic number.

It is an amenable number.

245281373 is a deficient number, since it is larger than the sum of its proper divisors (1370467).

245281373 is a wasteful number, since it uses less digits than its factorization.

245281373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370466.

The product of its digits is 40320, while the sum is 35.

The square root of 245281373 is about 15661.4613941356. The cubic root of 245281373 is about 625.9719260854.

The spelling of 245281373 in words is "two hundred forty-five million, two hundred eighty-one thousand, three hundred seventy-three".