1012553197 has 2 divisors, whose sum is σ = 1012553198. Its totient is φ = 1012553196.

The previous prime is 1012553177. The next prime is 1012553237. The reversal of 1012553197 is 7913552101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 944886121 + 67667076 = 30739^2 + 8226^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012553197 - 2¹⁹ = 1012028909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012553107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506276598 + 506276599.

It is an arithmetic number, because the mean of its divisors is an integer number (506276599).

Almost surely, 2^1012553197 is an apocalyptic number.

It is an amenable number.

1012553197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012553197 is an equidigital number, since it uses as much as digits as its factorization.

1012553197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 1012553197 is about 31820.6410526249. The cubic root of 1012553197 is about 1004.1670109015.

The spelling of 1012553197 in words is "one billion, twelve million, five hundred fifty-three thousand, one hundred ninety-seven".