249232097 has 4 divisors (see below), whose sum is σ = 251518740. Its totient is φ = 246945456.

The previous prime is 249232079. The next prime is 249232103. The reversal of 249232097 is 790232942.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 102434641 + 146797456 = 10121^2 + 12116^2 .

It is a cyclic number.

It is not a de Polignac number, because 249232097 - 2¹⁴ = 249215713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 249232097.

It is not an unprimeable number, because it can be changed into a prime (249231097) 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, 1143158 + ... + 1143375.

It is an arithmetic number, because the mean of its divisors is an integer number (62879685).

Almost surely, 2^249232097 is an apocalyptic number.

It is an amenable number.

249232097 is a deficient number, since it is larger than the sum of its proper divisors (2286643).

249232097 is a wasteful number, since it uses less digits than its factorization.

249232097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286642.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 249232097 is about 15787.0863999663. The cubic root of 249232097 is about 629.3148653209.

The spelling of 249232097 in words is "two hundred forty-nine million, two hundred thirty-two thousand, ninety-seven".