2499001 has 4 divisors (see below), whose sum is σ = 2502900. Its totient is φ = 2495104.

The previous prime is 2498989. The next prime is 2499023. The reversal of 2499001 is 1009942.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2250000 + 249001 = 1500^2 + 499^2 .

It is a cyclic number.

It is not a de Polignac number, because 2499001 - 2¹³ = 2490809 is a prime.

It is a Duffinian number.

2499001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2499041) 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, 736 + ... + 2353.

It is an arithmetic number, because the mean of its divisors is an integer number (625725).

2^2499001 is an apocalyptic number.

It is an amenable number.

2499001 is a deficient number, since it is larger than the sum of its proper divisors (3899).

2499001 is an equidigital number, since it uses as much as digits as its factorization.

2499001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2499001 is about 1580.8228869801. The cubic root of 2499001 is about 135.7028003999.

The spelling of 2499001 in words is "two million, four hundred ninety-nine thousand, one".