872257151 has 2 divisors, whose sum is σ = 872257152. Its totient is φ = 872257150.

The previous prime is 872257123. The next prime is 872257159. The reversal of 872257151 is 151752278.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-872257151 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872257159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436128575 + 436128576.

It is an arithmetic number, because the mean of its divisors is an integer number (436128576).

Almost surely, 2^872257151 is an apocalyptic number.

872257151 is a deficient number, since it is larger than the sum of its proper divisors (1).

872257151 is an equidigital number, since it uses as much as digits as its factorization.

872257151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39200, while the sum is 38.

The square root of 872257151 is about 29533.9999153518. Note that the first 4 decimals coincide. The cubic root of 872257151 is about 955.4651393122.

The spelling of 872257151 in words is "eight hundred seventy-two million, two hundred fifty-seven thousand, one hundred fifty-one".