2457091 has 24 divisors (see below), whose sum is σ = 3185664. Its totient is φ = 1853280.

The previous prime is 2457079. The next prime is 2457121. The reversal of 2457091 is 1907542.

It is a happy number.

2457091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2457091 - 2⁷ = 2456963 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2457001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36640 + ... + 36706.

It is an arithmetic number, because the mean of its divisors is an integer number (132736).

2^2457091 is an apocalyptic number.

2457091 is a deficient number, since it is larger than the sum of its proper divisors (728573).

2457091 is a wasteful number, since it uses less digits than its factorization.

2457091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2457091 is about 1567.5110844903. The cubic root of 2457091 is about 134.9399092419.

The spelling of 2457091 in words is "two million, four hundred fifty-seven thousand, ninety-one".