1061651 has 2 divisors, whose sum is σ = 1061652. Its totient is φ = 1061650.

The previous prime is 1061647. The next prime is 1061677. The reversal of 1061651 is 1561601.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1561601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1061651 - 2² = 1061647 is a prime.

It is a super-2 number, since 2×1061651² = 2254205691602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1061251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530825 + 530826.

It is an arithmetic number, because the mean of its divisors is an integer number (530826).

2^1061651 is an apocalyptic number.

1061651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061651 is an equidigital number, since it uses as much as digits as its factorization.

1061651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1061651 is about 1030.3644986120. The cubic root of 1061651 is about 102.0141912845.

The spelling of 1061651 in words is "one million, sixty-one thousand, six hundred fifty-one".