245652013 has 4 divisors (see below), whose sum is σ = 248037088. Its totient is φ = 243266940.

The previous prime is 245651999. The next prime is 245652031. The reversal of 245652013 is 310256542.

245652013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 245652013 - 2⁹ = 245651501 is a prime.

It is a super-2 number, since 2×245652013² = 120689822981904338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245652073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1192383 + ... + 1192588.

It is an arithmetic number, because the mean of its divisors is an integer number (62009272).

Almost surely, 2^245652013 is an apocalyptic number.

It is an amenable number.

245652013 is a deficient number, since it is larger than the sum of its proper divisors (2385075).

245652013 is a wasteful number, since it uses less digits than its factorization.

245652013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385074.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 245652013 is about 15673.2897950622. The cubic root of 245652013 is about 626.2870654805.

The spelling of 245652013 in words is "two hundred forty-five million, six hundred fifty-two thousand, thirteen".