248002457 has 4 divisors (see below), whose sum is σ = 253770000. Its totient is φ = 242234916.

The previous prime is 248002439. The next prime is 248002471. The reversal of 248002457 is 754200842.

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 248002457 - 2¹⁴ = 247986073 is a prime.

It is a Duffinian number.

248002457 is a modest number, since divided by 2457 gives 248 as remainder.

It is not an unprimeable number, because it can be changed into a prime (248002427) 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, 2883707 + ... + 2883792.

It is an arithmetic number, because the mean of its divisors is an integer number (63442500).

Almost surely, 2^248002457 is an apocalyptic number.

It is an amenable number.

248002457 is a deficient number, since it is larger than the sum of its proper divisors (5767543).

248002457 is an equidigital number, since it uses as much as digits as its factorization.

248002457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5767542.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 248002457 is about 15748.0937576584. The cubic root of 248002457 is about 628.2782053027.

The spelling of 248002457 in words is "two hundred forty-eight million, two thousand, four hundred fifty-seven".