249056077 has 4 divisors (see below), whose sum is σ = 257090176. Its totient is φ = 241021980.

The previous prime is 249056053. The next prime is 249056081. The reversal of 249056077 is 770650942.

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 a cyclic number.

It is not a de Polignac number, because 249056077 - 2⁷ = 249055949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249056677) 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, 4017003 + ... + 4017064.

It is an arithmetic number, because the mean of its divisors is an integer number (64272544).

Almost surely, 2^249056077 is an apocalyptic number.

It is an amenable number.

249056077 is a deficient number, since it is larger than the sum of its proper divisors (8034099).

249056077 is an equidigital number, since it uses as much as digits as its factorization.

249056077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8034098.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 249056077 is about 15781.5106057690. The cubic root of 249056077 is about 629.1666793640.

The spelling of 249056077 in words is "two hundred forty-nine million, fifty-six thousand, seventy-seven".