2005257170 has 16 divisors (see below), whose sum is σ = 4125100608. Its totient is φ = 687516720.

The previous prime is 2005257161. The next prime is 2005257179. The reversal of 2005257170 is 717525002.

It is an interprime number because it is at equal distance from previous prime (2005257161) and next prime (2005257179).

It is not an unprimeable number, because it can be changed into a prime (2005257179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14323196 + ... + 14323335.

It is an arithmetic number, because the mean of its divisors is an integer number (257818788).

Almost surely, 2^2005257170 is an apocalyptic number.

2005257170 is an abundant number, since it is smaller than the sum of its proper divisors (2119843438).

2005257170 is a wasteful number, since it uses less digits than its factorization.

2005257170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28646545.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 2005257170 is about 44780.0979230729. The cubic root of 2005257170 is about 1261.0240205656.

The spelling of 2005257170 in words is "two billion, five million, two hundred fifty-seven thousand, one hundred seventy".