281480701 has 2 divisors, whose sum is σ = 281480702. Its totient is φ = 281480700.

The previous prime is 281480663. The next prime is 281480729. The reversal of 281480701 is 107084182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211004676 + 70476025 = 14526^2 + 8395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-281480701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (281480741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140740350 + 140740351.

It is an arithmetic number, because the mean of its divisors is an integer number (140740351).

Almost surely, 2^281480701 is an apocalyptic number.

It is an amenable number.

281480701 is a deficient number, since it is larger than the sum of its proper divisors (1).

281480701 is an equidigital number, since it uses as much as digits as its factorization.

281480701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 281480701 is about 16777.3865962491. The cubic root of 281480701 is about 655.3644426031.

The spelling of 281480701 in words is "two hundred eighty-one million, four hundred eighty thousand, seven hundred one".