1055025649 has 2 divisors, whose sum is σ = 1055025650. Its totient is φ = 1055025648.

The previous prime is 1055025623. The next prime is 1055025667. The reversal of 1055025649 is 9465205501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 808378624 + 246647025 = 28432^2 + 15705^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055025649 - 2¹⁵ = 1054992881 is a prime.

It is a super-2 number, since 2×1055025649² = 2226158240095742402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1055025619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527512824 + 527512825.

It is an arithmetic number, because the mean of its divisors is an integer number (527512825).

Almost surely, 2^1055025649 is an apocalyptic number.

It is an amenable number.

1055025649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055025649 is an equidigital number, since it uses as much as digits as its factorization.

1055025649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 1055025649 is about 32481.1583691222. The cubic root of 1055025649 is about 1018.0153800927.

The spelling of 1055025649 in words is "one billion, fifty-five million, twenty-five thousand, six hundred forty-nine".