249148497 has 16 divisors (see below), whose sum is σ = 358525440. Its totient is φ = 152990592.

The previous prime is 249148441. The next prime is 249148499. The reversal of 249148497 is 794841942.

It is not a de Polignac number, because 249148497 - 2⁶ = 249148433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (249148499) 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, 12013 + ... + 25349.

It is an arithmetic number, because the mean of its divisors is an integer number (22407840).

Almost surely, 2^249148497 is an apocalyptic number.

It is an amenable number.

249148497 is a deficient number, since it is larger than the sum of its proper divisors (109376943).

249148497 is a wasteful number, since it uses less digits than its factorization.

249148497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13832.

The product of its digits is 580608, while the sum is 48.

The square root of 249148497 is about 15784.4384442399. The cubic root of 249148497 is about 629.2444936916.

It can be divided in two parts, 24914 and 8497, that added together give a triangular number (33411 = T₂₅₈).

The spelling of 249148497 in words is "two hundred forty-nine million, one hundred forty-eight thousand, four hundred ninety-seven".