2501481 has 16 divisors (see below), whose sum is σ = 3458304. Its totient is φ = 1607424.

The previous prime is 2501479. The next prime is 2501489. The reversal of 2501481 is 1841052.

2501481 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 2501481 - 2¹ = 2501479 is a prime.

It is a super-2 number, since 2×2501481² = 12514814386722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501489) 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 15 ways as a sum of consecutive naturals, for example, 15855 + ... + 16011.

It is an arithmetic number, because the mean of its divisors is an integer number (216144).

2^2501481 is an apocalyptic number.

It is an amenable number.

2501481 is a deficient number, since it is larger than the sum of its proper divisors (956823).

2501481 is a wasteful number, since it uses less digits than its factorization.

2501481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 2501481 is about 1581.6070940660. The cubic root of 2501481 is about 135.7476758892.

The spelling of 2501481 in words is "two million, five hundred one thousand, four hundred eighty-one".