1402526161 has 2 divisors, whose sum is σ = 1402526162. Its totient is φ = 1402526160.

The previous prime is 1402526143. The next prime is 1402526183. The reversal of 1402526161 is 1616252041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1080108225 + 322417936 = 32865^2 + 17956^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402526161 - 2¹⁹ = 1402001873 is a prime.

It is not a weakly prime, because it can be changed into another prime (1402526861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701263080 + 701263081.

It is an arithmetic number, because the mean of its divisors is an integer number (701263081).

Almost surely, 2^1402526161 is an apocalyptic number.

It is an amenable number.

1402526161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402526161 is an equidigital number, since it uses as much as digits as its factorization.

1402526161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1402526161 is about 37450.3158998693. The cubic root of 1402526161 is about 1119.3613921623.

It can be divided in two parts, 14025 and 26161, that added together give a triangular number (40186 = T₂₈₃).

The spelling of 1402526161 in words is "one billion, four hundred two million, five hundred twenty-six thousand, one hundred sixty-one".