245867853 has 32 divisors (see below), whose sum is σ = 410268672. Its totient is φ = 127238400.

The previous prime is 245867813. The next prime is 245867873. The reversal of 245867853 is 358768542.

It is not a de Polignac number, because 245867853 - 2⁹ = 245867341 is a prime.

It is a super-2 number, since 2×245867853² = 120902002277659218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245867813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63493 + ... + 67253.

It is an arithmetic number, because the mean of its divisors is an integer number (12820896).

Almost surely, 2^245867853 is an apocalyptic number.

It is an amenable number.

245867853 is a deficient number, since it is larger than the sum of its proper divisors (164400819).

245867853 is a wasteful number, since it uses less digits than its factorization.

245867853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065.

The product of its digits is 1612800, while the sum is 48.

The square root of 245867853 is about 15680.1738829644. The cubic root of 245867853 is about 626.4704390082.

The spelling of 245867853 in words is "two hundred forty-five million, eight hundred sixty-seven thousand, eight hundred fifty-three".