2501648 has 10 divisors (see below), whose sum is σ = 4846974. Its totient is φ = 1250816.

The previous prime is 2501647. The next prime is 2501651. The reversal of 2501648 is 8461052.

It can be written as a sum of positive squares in only one way, i.e., 1317904 + 1183744 = 1148^2 + 1088^2 .

It is not an unprimeable number, because it can be changed into a prime (2501647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78161 + ... + 78192.

2^2501648 is an apocalyptic number.

It is an amenable number.

2501648 is a deficient number, since it is larger than the sum of its proper divisors (2345326).

2501648 is a wasteful number, since it uses less digits than its factorization.

2501648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156361 (or 156355 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2501648 is about 1581.6598875865. The cubic root of 2501648 is about 135.7506966807.

The spelling of 2501648 in words is "two million, five hundred one thousand, six hundred forty-eight".