245495859 has 16 divisors (see below), whose sum is σ = 390354432. Its totient is φ = 134183808.

The previous prime is 245495843. The next prime is 245495867. The reversal of 245495859 is 958594542.

It is not a de Polignac number, because 245495859 - 2⁴ = 245495843 is a prime.

It is a super-2 number, since 2×245495859² = 120536433572295762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245497859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253654 + ... + 254619.

It is an arithmetic number, because the mean of its divisors is an integer number (24397152).

Almost surely, 2^245495859 is an apocalyptic number.

245495859 is a deficient number, since it is larger than the sum of its proper divisors (144858573).

245495859 is a wasteful number, since it uses less digits than its factorization.

245495859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508306.

The product of its digits is 2592000, while the sum is 51.

The square root of 245495859 is about 15668.3074708151. The cubic root of 245495859 is about 626.1543330584.

The spelling of 245495859 in words is "two hundred forty-five million, four hundred ninety-five thousand, eight hundred fifty-nine".