881799251 has 2 divisors, whose sum is σ = 881799252. Its totient is φ = 881799250.

The previous prime is 881799223. The next prime is 881799271. The reversal of 881799251 is 152997188.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-881799251 is a prime.

It is a super-2 number, since 2×881799251² = 1555139838128322002, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 881799251.

It is not a weakly prime, because it can be changed into another prime (881799211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440899625 + 440899626.

It is an arithmetic number, because the mean of its divisors is an integer number (440899626).

Almost surely, 2^881799251 is an apocalyptic number.

881799251 is a deficient number, since it is larger than the sum of its proper divisors (1).

881799251 is an equidigital number, since it uses as much as digits as its factorization.

881799251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 50.

The square root of 881799251 is about 29695.1048322783. The cubic root of 881799251 is about 958.9366303632.

The spelling of 881799251 in words is "eight hundred eighty-one million, seven hundred ninety-nine thousand, two hundred fifty-one".