90632501 has 2 divisors, whose sum is σ = 90632502. Its totient is φ = 90632500.

The previous prime is 90632483. The next prime is 90632543. The reversal of 90632501 is 10523609.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76562500 + 14070001 = 8750^2 + 3751^2 .

It is a cyclic number.

It is not a de Polignac number, because 90632501 - 2¹⁴ = 90616117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90638501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45316250 + 45316251.

It is an arithmetic number, because the mean of its divisors is an integer number (45316251).

Almost surely, 2^90632501 is an apocalyptic number.

It is an amenable number.

90632501 is a deficient number, since it is larger than the sum of its proper divisors (1).

90632501 is an equidigital number, since it uses as much as digits as its factorization.

90632501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 90632501 is about 9520.1103459991. The cubic root of 90632501 is about 449.1878371428.

The spelling of 90632501 in words is "ninety million, six hundred thirty-two thousand, five hundred one".