249962497 has 4 divisors (see below), whose sum is σ = 255280896. Its totient is φ = 244644100.

The previous prime is 249962467. The next prime is 249962521. The reversal of 249962497 is 794269942.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 249962497 - 2¹⁹ = 249438209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (249962467) 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, 2659129 + ... + 2659222.

It is an arithmetic number, because the mean of its divisors is an integer number (63820224).

Almost surely, 2^249962497 is an apocalyptic number.

It is an amenable number.

249962497 is a deficient number, since it is larger than the sum of its proper divisors (5318399).

249962497 is an equidigital number, since it uses as much as digits as its factorization.

249962497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5318398.

The product of its digits is 1959552, while the sum is 52.

The square root of 249962497 is about 15810.2023073710. The cubic root of 249962497 is about 629.9290228261.

The spelling of 249962497 in words is "two hundred forty-nine million, nine hundred sixty-two thousand, four hundred ninety-seven".