87022601 has 2 divisors, whose sum is σ = 87022602. Its totient is φ = 87022600.

The previous prime is 87022577. The next prime is 87022651. The reversal of 87022601 is 10622078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45549001 + 41473600 = 6749^2 + 6440^2 .

It is a cyclic number.

It is not a de Polignac number, because 87022601 - 2²² = 82828297 is a prime.

It is not a weakly prime, because it can be changed into another prime (87022651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43511300 + 43511301.

It is an arithmetic number, because the mean of its divisors is an integer number (43511301).

Almost surely, 2^87022601 is an apocalyptic number.

It is an amenable number.

87022601 is a deficient number, since it is larger than the sum of its proper divisors (1).

87022601 is an equidigital number, since it uses as much as digits as its factorization.

87022601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 87022601 is about 9328.5905151850. The cubic root of 87022601 is about 443.1431290033.

Adding to 87022601 its reverse (10622078), we get a palindrome (97644679).

The spelling of 87022601 in words is "eighty-seven million, twenty-two thousand, six hundred one".