87522629 has 2 divisors, whose sum is σ = 87522630. Its totient is φ = 87522628.

The previous prime is 87522593. The next prime is 87522637. The reversal of 87522629 is 92622578.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68145025 + 19377604 = 8255^2 + 4402^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87522629 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87522829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43761314 + 43761315.

It is an arithmetic number, because the mean of its divisors is an integer number (43761315).

Almost surely, 2^87522629 is an apocalyptic number.

It is an amenable number.

87522629 is a deficient number, since it is larger than the sum of its proper divisors (1).

87522629 is an equidigital number, since it uses as much as digits as its factorization.

87522629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 87522629 is about 9355.3529596697. The cubic root of 87522629 is about 443.9902687719.

The spelling of 87522629 in words is "eighty-seven million, five hundred twenty-two thousand, six hundred twenty-nine".