596161421 has 2 divisors, whose sum is σ = 596161422. Its totient is φ = 596161420.

The previous prime is 596161399. The next prime is 596161441. The reversal of 596161421 is 124161695.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 424813321 + 171348100 = 20611^2 + 13090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-596161421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (596161441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 298080710 + 298080711.

It is an arithmetic number, because the mean of its divisors is an integer number (298080711).

Almost surely, 2^596161421 is an apocalyptic number.

It is an amenable number.

596161421 is a deficient number, since it is larger than the sum of its proper divisors (1).

596161421 is an equidigital number, since it uses as much as digits as its factorization.

596161421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 35.

The square root of 596161421 is about 24416.4170385419. The cubic root of 596161421 is about 841.6301587188.

The spelling of 596161421 in words is "five hundred ninety-six million, one hundred sixty-one thousand, four hundred twenty-one".