891654151 has 2 divisors, whose sum is σ = 891654152. Its totient is φ = 891654150.

The previous prime is 891654121. The next prime is 891654161. The reversal of 891654151 is 151456198.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 891654151 - 2¹³ = 891645959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (891654121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445827075 + 445827076.

It is an arithmetic number, because the mean of its divisors is an integer number (445827076).

Almost surely, 2^891654151 is an apocalyptic number.

891654151 is a deficient number, since it is larger than the sum of its proper divisors (1).

891654151 is an equidigital number, since it uses as much as digits as its factorization.

891654151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 40.

The square root of 891654151 is about 29860.5785442948. The cubic root of 891654151 is about 962.4957309306.

The spelling of 891654151 in words is "eight hundred ninety-one million, six hundred fifty-four thousand, one hundred fifty-one".