2125481 has 8 divisors (see below), whose sum is σ = 2225664. Its totient is φ = 2027680.

The previous prime is 2125477. The next prime is 2125517. The reversal of 2125481 is 1845212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2125481 - 2² = 2125477 is a prime.

It is a super-2 number, since 2×2125481² = 9035338962722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2125411) 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, 1376 + ... + 2478.

It is an arithmetic number, because the mean of its divisors is an integer number (278208).

2^2125481 is an apocalyptic number.

It is an amenable number.

2125481 is a deficient number, since it is larger than the sum of its proper divisors (100183).

2125481 is a wasteful number, since it uses less digits than its factorization.

2125481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191.

The product of its digits is 640, while the sum is 23.

The square root of 2125481 is about 1457.9029460153. The cubic root of 2125481 is about 128.5737790870.

The spelling of 2125481 in words is "two million, one hundred twenty-five thousand, four hundred eighty-one".