249472041 has 32 divisors (see below), whose sum is σ = 412204800. Its totient is φ = 130685184.

The previous prime is 249472037. The next prime is 249472043. The reversal of 249472041 is 140274942.

It is not a de Polignac number, because 249472041 - 2² = 249472037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 249471993 and 249472011.

It is not an unprimeable number, because it can be changed into a prime (249472043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37611 + ... + 43743.

It is an arithmetic number, because the mean of its divisors is an integer number (12881400).

Almost surely, 2^249472041 is an apocalyptic number.

249472041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

249472041 is a deficient number, since it is larger than the sum of its proper divisors (162732759).

249472041 is a wasteful number, since it uses less digits than its factorization.

249472041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 249472041 is about 15794.6839474552. The cubic root of 249472041 is about 629.5167546389.

The spelling of 249472041 in words is "two hundred forty-nine million, four hundred seventy-two thousand, forty-one".