1057205651 has 2 divisors, whose sum is σ = 1057205652. Its totient is φ = 1057205650.

The previous prime is 1057205621. The next prime is 1057205711. The reversal of 1057205651 is 1565027501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1057205651 - 2²² = 1053011347 is a prime.

It is a super-2 number, since 2×1057205651² = 2235367577012667602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1057205621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528602825 + 528602826.

It is an arithmetic number, because the mean of its divisors is an integer number (528602826).

Almost surely, 2^1057205651 is an apocalyptic number.

1057205651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057205651 is an equidigital number, since it uses as much as digits as its factorization.

1057205651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10500, while the sum is 32.

The square root of 1057205651 is about 32514.6989990681. The cubic root of 1057205651 is about 1018.7160735638.

The spelling of 1057205651 in words is "one billion, fifty-seven million, two hundred five thousand, six hundred fifty-one".