249341953 has 16 divisors (see below), whose sum is σ = 291786880. Its totient is φ = 208656000.

The previous prime is 249341899. The next prime is 249341977. The reversal of 249341953 is 359143942.

It is not a de Polignac number, because 249341953 - 2⁹ = 249341441 is a prime.

It is a super-4 number, since 4×249341953⁴ (a number of 35 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (249341753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57253 + ... + 61453.

It is an arithmetic number, because the mean of its divisors is an integer number (18236680).

Almost surely, 2^249341953 is an apocalyptic number.

It is an amenable number.

249341953 is a deficient number, since it is larger than the sum of its proper divisors (42444927).

249341953 is a wasteful number, since it uses less digits than its factorization.

249341953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408.

The product of its digits is 116640, while the sum is 40.

The square root of 249341953 is about 15790.5653160360. The cubic root of 249341953 is about 629.4073144337.

The spelling of 249341953 in words is "two hundred forty-nine million, three hundred forty-one thousand, nine hundred fifty-three".