283461421 has 2 divisors, whose sum is σ = 283461422. Its totient is φ = 283461420.

The previous prime is 283461391. The next prime is 283461433. The reversal of 283461421 is 124164382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283248900 + 212521 = 16830^2 + 461^2 .

It is a cyclic number.

It is not a de Polignac number, because 283461421 - 2⁹ = 283460909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (283461721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141730710 + 141730711.

It is an arithmetic number, because the mean of its divisors is an integer number (141730711).

Almost surely, 2^283461421 is an apocalyptic number.

It is an amenable number.

283461421 is a deficient number, since it is larger than the sum of its proper divisors (1).

283461421 is an equidigital number, since it uses as much as digits as its factorization.

283461421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 31.

The square root of 283461421 is about 16836.3125713441. The cubic root of 283461421 is about 656.8980711360.

The spelling of 283461421 in words is "two hundred eighty-three million, four hundred sixty-one thousand, four hundred twenty-one".