2490071 has 4 divisors (see below), whose sum is σ = 2500992. Its totient is φ = 2479152.

The previous prime is 2490029. The next prime is 2490079. The reversal of 2490071 is 1700942.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2490071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490079) 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, 5111 + ... + 5576.

It is an arithmetic number, because the mean of its divisors is an integer number (625248).

2^2490071 is an apocalyptic number.

2490071 is a deficient number, since it is larger than the sum of its proper divisors (10921).

2490071 is a wasteful number, since it uses less digits than its factorization.

2490071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10920.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2490071 is about 1577.9958808565. The cubic root of 2490071 is about 135.5409660859.

The spelling of 2490071 in words is "two million, four hundred ninety thousand, seventy-one".