245410394 has 4 divisors (see below), whose sum is σ = 368115594. Its totient is φ = 122705196.

The previous prime is 245410387. The next prime is 245410409. The reversal of 245410394 is 493014542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 161925625 + 83484769 = 12725^2 + 9137^2 .

It is a super-2 number, since 2×245410394² = 120452522966470472, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 245410394.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61352597 + ... + 61352600.

Almost surely, 2^245410394 is an apocalyptic number.

245410394 is a deficient number, since it is larger than the sum of its proper divisors (122705200).

245410394 is a wasteful number, since it uses less digits than its factorization.

245410394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122705199.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 245410394 is about 15665.5799126620. The cubic root of 245410394 is about 626.0816631412.

The spelling of 245410394 in words is "two hundred forty-five million, four hundred ten thousand, three hundred ninety-four".