870102553 has 2 divisors, whose sum is σ = 870102554. Its totient is φ = 870102552.

The previous prime is 870102539. The next prime is 870102557. The reversal of 870102553 is 355201078.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 793154569 + 76947984 = 28163^2 + 8772^2 .

It is a cyclic number.

It is not a de Polignac number, because 870102553 - 2²¹ = 868005401 is a prime.

It is not a weakly prime, because it can be changed into another prime (870102557) 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, 435051276 + 435051277.

It is an arithmetic number, because the mean of its divisors is an integer number (435051277).

Almost surely, 2^870102553 is an apocalyptic number.

It is an amenable number.

870102553 is a deficient number, since it is larger than the sum of its proper divisors (1).

870102553 is an equidigital number, since it uses as much as digits as its factorization.

870102553 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 870102553 is about 29497.5007924400. The cubic root of 870102553 is about 954.6777795096.

It can be divided in two parts, 8701025 and 53, that added together give a palindrome (8701078).

The spelling of 870102553 in words is "eight hundred seventy million, one hundred two thousand, five hundred fifty-three".