249397502 has 4 divisors (see below), whose sum is σ = 374096256. Its totient is φ = 124698750.

The previous prime is 249397493. The next prime is 249397513. The reversal of 249397502 is 205793942.

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

It is a super-2 number, since 2×249397502² = 124398228007680008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 249397502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62349374 + ... + 62349377.

It is an arithmetic number, because the mean of its divisors is an integer number (93524064).

Almost surely, 2^249397502 is an apocalyptic number.

249397502 is a deficient number, since it is larger than the sum of its proper divisors (124698754).

249397502 is a wasteful number, since it uses less digits than its factorization.

249397502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124698753.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 249397502 is about 15792.3241481423. The cubic root of 249397502 is about 629.4540512549.

The spelling of 249397502 in words is "two hundred forty-nine million, three hundred ninety-seven thousand, five hundred two".