2401247281 has 2 divisors, whose sum is σ = 2401247282. Its totient is φ = 2401247280.

The previous prime is 2401247279. The next prime is 2401247347. The reversal of 2401247281 is 1827421042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2397081600 + 4165681 = 48960^2 + 2041^2 .

It is a cyclic number.

It is not a de Polignac number, because 2401247281 - 2¹ = 2401247279 is a prime.

It is a super-2 number, since 2×2401247281² = 11531977009019785922, which contains 22 as substring.

Together with 2401247279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2401247221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200623640 + 1200623641.

It is an arithmetic number, because the mean of its divisors is an integer number (1200623641).

Almost surely, 2^2401247281 is an apocalyptic number.

It is an amenable number.

2401247281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2401247281 is an equidigital number, since it uses as much as digits as its factorization.

2401247281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 2401247281 is about 49002.5232105450. The cubic root of 2401247281 is about 1339.0977963855.

The spelling of 2401247281 in words is "two billion, four hundred one million, two hundred forty-seven thousand, two hundred eighty-one".