2170402253 has 8 divisors (see below), whose sum is σ = 2297460000. Its totient is φ = 2046825648.

The previous prime is 2170402229. The next prime is 2170402279. The reversal of 2170402253 is 3522040712.

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

It is a cyclic number.

It is not a de Polignac number, because 2170402253 - 2¹⁰ = 2170401229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170492253) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 869003 + ... + 871496.

It is an arithmetic number, because the mean of its divisors is an integer number (287182500).

Almost surely, 2^2170402253 is an apocalyptic number.

It is an amenable number.

2170402253 is a deficient number, since it is larger than the sum of its proper divisors (127057747).

2170402253 is a wasteful number, since it uses less digits than its factorization.

2170402253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740571.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 2170402253 is about 46587.5761657547. The cubic root of 2170402253 is about 1294.7325820413.

Adding to 2170402253 its reverse (3522040712), we get a palindrome (5692442965).

The spelling of 2170402253 in words is "two billion, one hundred seventy million, four hundred two thousand, two hundred fifty-three".