2401281 has 12 divisors (see below), whose sum is σ = 3482752. Its totient is φ = 1594296.

The previous prime is 2401279. The next prime is 2401303. The reversal of 2401281 is 1821042.

It is not a de Polignac number, because 2401281 - 2¹ = 2401279 is a prime.

It is a super-2 number, since 2×2401281² = 11532300881922, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (2401211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2940 + ... + 3666.

2^2401281 is an apocalyptic number.

It is an amenable number.

2401281 is a deficient number, since it is larger than the sum of its proper divisors (1081471).

2401281 is a wasteful number, since it uses less digits than its factorization.

2401281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2401281 is about 1549.6067243014. The cubic root of 2401281 is about 133.9104064354.

It can be divided in two parts, 240 and 1281, that added together give a square (1521 = 39²).

The spelling of 2401281 in words is "two million, four hundred one thousand, two hundred eighty-one".