897302501 has 2 divisors, whose sum is σ = 897302502. Its totient is φ = 897302500.

The previous prime is 897302491. The next prime is 897302513. The reversal of 897302501 is 105203798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 897062401 + 240100 = 29951^2 + 490^2 .

It is a cyclic number.

It is not a de Polignac number, because 897302501 - 2¹⁰ = 897301477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897302201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448651250 + 448651251.

It is an arithmetic number, because the mean of its divisors is an integer number (448651251).

Almost surely, 2^897302501 is an apocalyptic number.

It is an amenable number.

897302501 is a deficient number, since it is larger than the sum of its proper divisors (1).

897302501 is an equidigital number, since it uses as much as digits as its factorization.

897302501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 897302501 is about 29955.0079452502. The cubic root of 897302501 is about 964.5238242408.

The spelling of 897302501 in words is "eight hundred ninety-seven million, three hundred two thousand, five hundred one".