2501946 has 24 divisors (see below), whose sum is σ = 5608980. Its totient is φ = 805056.

The previous prime is 2501923. The next prime is 2501953. The reversal of 2501946 is 6491052.

2501946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2387025 + 114921 = 1545^2 + 339^2 .

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1875 + ... + 2918.

2^2501946 is an apocalyptic number.

2501946 is an abundant number, since it is smaller than the sum of its proper divisors (3107034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2501946 is a wasteful number, since it uses less digits than its factorization.

2501946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830 (or 4827 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2501946 is about 1581.7540896106. The cubic root of 2501946 is about 135.7560867411.

Adding to 2501946 its reverse (6491052), we get a palindrome (8992998).

The spelling of 2501946 in words is "two million, five hundred one thousand, nine hundred forty-six".