897269501 has 2 divisors, whose sum is σ = 897269502. Its totient is φ = 897269500.

The previous prime is 897269459. The next prime is 897269531. The reversal of 897269501 is 105962798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 454798276 + 442471225 = 21326^2 + 21035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-897269501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897269531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448634750 + 448634751.

It is an arithmetic number, because the mean of its divisors is an integer number (448634751).

Almost surely, 2^897269501 is an apocalyptic number.

It is an amenable number.

897269501 is a deficient number, since it is larger than the sum of its proper divisors (1).

897269501 is an equidigital number, since it uses as much as digits as its factorization.

897269501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 897269501 is about 29954.4571140924. The cubic root of 897269501 is about 964.5120000320.

The spelling of 897269501 in words is "eight hundred ninety-seven million, two hundred sixty-nine thousand, five hundred one".