2491058 has 4 divisors (see below), whose sum is σ = 3736590. Its totient is φ = 1245528.

The previous prime is 2491043. The next prime is 2491063. The reversal of 2491058 is 8501942.

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

It can be written as a sum of positive squares in only one way, i.e., 1352569 + 1138489 = 1163^2 + 1067^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2491058.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622763 + ... + 622766.

2^2491058 is an apocalyptic number.

2491058 is a deficient number, since it is larger than the sum of its proper divisors (1245532).

2491058 is a wasteful number, since it uses less digits than its factorization.

2491058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245531.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2491058 is about 1578.3085883312. The cubic root of 2491058 is about 135.5588720361.

The spelling of 2491058 in words is "two million, four hundred ninety-one thousand, fifty-eight".