1602135061 has 2 divisors, whose sum is σ = 1602135062. Its totient is φ = 1602135060.

The previous prime is 1602135019. The next prime is 1602135077. The reversal of 1602135061 is 1605312061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1589218225 + 12916836 = 39865^2 + 3594^2 .

It is a cyclic number.

It is not a de Polignac number, because 1602135061 - 2¹⁷ = 1602003989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1602135001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801067530 + 801067531.

It is an arithmetic number, because the mean of its divisors is an integer number (801067531).

Almost surely, 2^1602135061 is an apocalyptic number.

It is an amenable number.

1602135061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1602135061 is an equidigital number, since it uses as much as digits as its factorization.

1602135061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1602135061 is about 40026.6793651434. The cubic root of 1602135061 is about 1170.1271104017.

The spelling of 1602135061 in words is "one billion, six hundred two million, one hundred thirty-five thousand, sixty-one".