783361421 has 2 divisors, whose sum is σ = 783361422. Its totient is φ = 783361420.

The previous prime is 783361409. The next prime is 783361433. The reversal of 783361421 is 124163387.

783361421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (783361409) and next prime (783361433).

It can be written as a sum of positive squares in only one way, i.e., 765628900 + 17732521 = 27670^2 + 4211^2 .

It is a cyclic number.

It is not a de Polignac number, because 783361421 - 2¹⁰ = 783360397 is a prime.

It is a super-2 number, since 2×783361421² = 1227310231822278482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (783351421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391680710 + 391680711.

It is an arithmetic number, because the mean of its divisors is an integer number (391680711).

Almost surely, 2^783361421 is an apocalyptic number.

It is an amenable number.

783361421 is a deficient number, since it is larger than the sum of its proper divisors (1).

783361421 is an equidigital number, since it uses as much as digits as its factorization.

783361421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 783361421 is about 27988.5944806094. The cubic root of 783361421 is about 921.8368394063.

The spelling of 783361421 in words is "seven hundred eighty-three million, three hundred sixty-one thousand, four hundred twenty-one".