1051601 has 2 divisors, whose sum is σ = 1051602. Its totient is φ = 1051600.

The previous prime is 1051591. The next prime is 1051607. The reversal of 1051601 is 1061501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1048576 + 3025 = 1024^2 + 55^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051601 is a prime.

It is a super-2 number, since 2×1051601² = 2211729326402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525800 + 525801.

It is an arithmetic number, because the mean of its divisors is an integer number (525801).

2^1051601 is an apocalyptic number.

It is an amenable number.

1051601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051601 is an equidigital number, since it uses as much as digits as its factorization.

1051601 is an evil number, because the sum of its binary digits is even.

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

The square root of 1051601 is about 1025.4759870421. The cubic root of 1051601 is about 101.6912681961.

The spelling of 1051601 in words is "one million, fifty-one thousand, six hundred one".