249906461 has 8 divisors (see below), whose sum is σ = 285710784. Its totient is φ = 214128000.

The previous prime is 249906413. The next prime is 249906463. The reversal of 249906461 is 164609942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 249906461 - 2¹⁴ = 249890077 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 (249906463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23546 + ... + 32468.

It is an arithmetic number, because the mean of its divisors is an integer number (35713848).

Almost surely, 2^249906461 is an apocalyptic number.

It is an amenable number.

249906461 is a deficient number, since it is larger than the sum of its proper divisors (35804323).

249906461 is an equidigital number, since it uses as much as digits as its factorization.

249906461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12931.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 249906461 is about 15808.4300612047. The cubic root of 249906461 is about 629.8819473098.

The spelling of 249906461 in words is "two hundred forty-nine million, nine hundred six thousand, four hundred sixty-one".