245257070 has 8 divisors (see below), whose sum is σ = 441462744. Its totient is φ = 98102824.

The previous prime is 245257049. The next prime is 245257087. The reversal of 245257070 is 70752542.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 12262844 + ... + 12262863.

It is an arithmetic number, because the mean of its divisors is an integer number (55182843).

Almost surely, 2^245257070 is an apocalyptic number.

245257070 is a deficient number, since it is larger than the sum of its proper divisors (196205674).

245257070 is a wasteful number, since it uses less digits than its factorization.

245257070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24525714.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 245257070 is about 15660.6854894669. The cubic root of 245257070 is about 625.9512511927.

The spelling of 245257070 in words is "two hundred forty-five million, two hundred fifty-seven thousand, seventy".