870492151 has 2 divisors, whose sum is σ = 870492152. Its totient is φ = 870492150.

The previous prime is 870492149. The next prime is 870492317. The reversal of 870492151 is 151294078.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 870492151 - 2¹ = 870492149 is a prime.

Together with 870492149, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 870492151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (870492551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435246075 + 435246076.

It is an arithmetic number, because the mean of its divisors is an integer number (435246076).

Almost surely, 2^870492151 is an apocalyptic number.

870492151 is a deficient number, since it is larger than the sum of its proper divisors (1).

870492151 is an equidigital number, since it uses as much as digits as its factorization.

870492151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 870492151 is about 29504.1039687702. The cubic root of 870492151 is about 954.8202474109.

The spelling of 870492151 in words is "eight hundred seventy million, four hundred ninety-two thousand, one hundred fifty-one".