249401241 has 16 divisors (see below), whose sum is σ = 369734400. Its totient is φ = 166154544.

The previous prime is 249401233. The next prime is 249401263. The reversal of 249401241 is 142104942.

It is a happy number.

It is not a de Polignac number, because 249401241 - 2³ = 249401233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (249401221) 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, 61680 + ... + 65598.

It is an arithmetic number, because the mean of its divisors is an integer number (23108400).

Almost surely, 2^249401241 is an apocalyptic number.

It is an amenable number.

249401241 is a deficient number, since it is larger than the sum of its proper divisors (120333159).

249401241 is a wasteful number, since it uses less digits than its factorization.

249401241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6285 (or 6279 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 249401241 is about 15792.4425279942. The cubic root of 249401241 is about 629.4571968584.

The spelling of 249401241 in words is "two hundred forty-nine million, four hundred one thousand, two hundred forty-one".