881205249 has 4 divisors (see below), whose sum is σ = 1174940336. Its totient is φ = 587470164.

The previous prime is 881205191. The next prime is 881205253. The reversal of 881205249 is 942502188.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 881205249 - 2⁸ = 881204993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (881205289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146867539 + ... + 146867544.

It is an arithmetic number, because the mean of its divisors is an integer number (293735084).

Almost surely, 2^881205249 is an apocalyptic number.

It is an amenable number.

881205249 is a deficient number, since it is larger than the sum of its proper divisors (293735087).

881205249 is a wasteful number, since it uses less digits than its factorization.

881205249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293735086.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 881205249 is about 29685.1014652132. The cubic root of 881205249 is about 958.7212607747.

The spelling of 881205249 in words is "eight hundred eighty-one million, two hundred five thousand, two hundred forty-nine".