2506090 has 16 divisors (see below), whose sum is σ = 4574088. Its totient is φ = 988416.

The previous prime is 2506079. The next prime is 2506099. The reversal of 2506090 is 906052.

It can be written as a sum of positive squares in 4 ways, for example, as 1896129 + 609961 = 1377^2 + 781^2 .

It is not an unprimeable number, because it can be changed into a prime (2506099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987 + ... + 2446.

2^2506090 is an apocalyptic number.

2506090 is a deficient number, since it is larger than the sum of its proper divisors (2067998).

2506090 is a wasteful number, since it uses less digits than its factorization.

2506090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2506090 is about 1583.0634857769. The cubic root of 2506090 is about 135.8309968191.

The spelling of 2506090 in words is "two million, five hundred six thousand, ninety".