1061025457 has 2 divisors, whose sum is σ = 1061025458. Its totient is φ = 1061025456.

The previous prime is 1061025451. The next prime is 1061025529. The reversal of 1061025457 is 7545201601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 735006321 + 326019136 = 27111^2 + 18056^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061025457 is a prime.

It is a super-2 number, since 2×1061025457² = 2251550040804117698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1061025451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530512728 + 530512729.

It is an arithmetic number, because the mean of its divisors is an integer number (530512729).

Almost surely, 2^1061025457 is an apocalyptic number.

It is an amenable number.

1061025457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061025457 is an equidigital number, since it uses as much as digits as its factorization.

1061025457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 1061025457 is about 32573.3857159491. The cubic root of 1061025457 is about 1019.9415117687.

The spelling of 1061025457 in words is "one billion, sixty-one million, twenty-five thousand, four hundred fifty-seven".