2570938 has 4 divisors (see below), whose sum is σ = 3856410. Its totient is φ = 1285468.

The previous prime is 2570933. The next prime is 2570941. The reversal of 2570938 is 8390752.

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., 2424249 + 146689 = 1557^2 + 383^2 .

It is not an unprimeable number, because it can be changed into a prime (2570933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642733 + ... + 642736.

2^2570938 is an apocalyptic number.

2570938 is a deficient number, since it is larger than the sum of its proper divisors (1285472).

2570938 is a wasteful number, since it uses less digits than its factorization.

2570938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285471.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2570938 is about 1603.4144816609. The cubic root of 2570938 is about 136.9926292943.

The spelling of 2570938 in words is "two million, five hundred seventy thousand, nine hundred thirty-eight".