248999401 has 4 divisors (see below), whose sum is σ = 284570752. Its totient is φ = 213428052.

The previous prime is 248999393. The next prime is 248999461. The reversal of 248999401 is 104999842.

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 248999401 - 2³ = 248999393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248999461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17785665 + ... + 17785678.

It is an arithmetic number, because the mean of its divisors is an integer number (71142688).

Almost surely, 2^248999401 is an apocalyptic number.

It is an amenable number.

248999401 is a deficient number, since it is larger than the sum of its proper divisors (35571351).

248999401 is an equidigital number, since it uses as much as digits as its factorization.

248999401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35571350.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 248999401 is about 15779.7148580068. The cubic root of 248999401 is about 629.1189506806.

The spelling of 248999401 in words is "two hundred forty-eight million, nine hundred ninety-nine thousand, four hundred one".