1601051 has 2 divisors, whose sum is σ = 1601052. Its totient is φ = 1601050.

The previous prime is 1601023. The next prime is 1601059. The reversal of 1601051 is 1501061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1601051 - 2¹⁸ = 1338907 is a prime.

It is not a weakly prime, because it can be changed into another prime (1601059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800525 + 800526.

It is an arithmetic number, because the mean of its divisors is an integer number (800526).

2^1601051 is an apocalyptic number.

1601051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601051 is an equidigital number, since it uses as much as digits as its factorization.

1601051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 1601051 is about 1265.3264400936. The cubic root of 1601051 is about 116.9863134452.

It can be divided in two parts, 16010 and 51, that added together give a palindrome (16061).

The spelling of 1601051 in words is "one million, six hundred one thousand, fifty-one".