73225501 has 2 divisors, whose sum is σ = 73225502. Its totient is φ = 73225500.

The previous prime is 73225457. The next prime is 73225507. The reversal of 73225501 is 10552237.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67815225 + 5410276 = 8235^2 + 2326^2 .

It is a cyclic number.

It is not a de Polignac number, because 73225501 - 2⁹ = 73224989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73225507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36612750 + 36612751.

It is an arithmetic number, because the mean of its divisors is an integer number (36612751).

Almost surely, 2^73225501 is an apocalyptic number.

It is an amenable number.

73225501 is a deficient number, since it is larger than the sum of its proper divisors (1).

73225501 is an equidigital number, since it uses as much as digits as its factorization.

73225501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 73225501 is about 8557.1900177570. The cubic root of 73225501 is about 418.3638175415.

Adding to 73225501 its reverse (10552237), we get a palindrome (83777738).

The spelling of 73225501 in words is "seventy-three million, two hundred twenty-five thousand, five hundred one".