245111293 has 4 divisors (see below), whose sum is σ = 280127200. Its totient is φ = 210095388.

The previous prime is 245111291. The next prime is 245111303. The reversal of 245111293 is 392111542.

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 an emirpimes, since its reverse is a distinct semiprime: 392111542 = 2 ⋅196055771.

It is a cyclic number.

It is not a de Polignac number, because 245111293 - 2¹ = 245111291 is a prime.

It is a super-2 number, since 2×245111293² = 120159091912263698, 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 (245111291) 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, 17507943 + ... + 17507956.

It is an arithmetic number, because the mean of its divisors is an integer number (70031800).

Almost surely, 2^245111293 is an apocalyptic number.

It is an amenable number.

245111293 is a deficient number, since it is larger than the sum of its proper divisors (35015907).

245111293 is an equidigital number, since it uses as much as digits as its factorization.

245111293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35015906.

The product of its digits is 2160, while the sum is 28.

The square root of 245111293 is about 15656.0305633325. The cubic root of 245111293 is about 625.8272080400.

The spelling of 245111293 in words is "two hundred forty-five million, one hundred eleven thousand, two hundred ninety-three".