245217094 has 4 divisors (see below), whose sum is σ = 367825644. Its totient is φ = 122608546.

The previous prime is 245217079. The next prime is 245217103. The reversal of 245217094 is 490712542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 490712542 = 2 ⋅245356271.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 61304272 + ... + 61304275.

It is an arithmetic number, because the mean of its divisors is an integer number (91956411).

Almost surely, 2^245217094 is an apocalyptic number.

245217094 is a deficient number, since it is larger than the sum of its proper divisors (122608550).

245217094 is a wasteful number, since it uses less digits than its factorization.

245217094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122608549.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 245217094 is about 15659.4091203979. The cubic root of 245217094 is about 625.9172400945.

The spelling of 245217094 in words is "two hundred forty-five million, two hundred seventeen thousand, ninety-four".