997357301 has 2 divisors, whose sum is σ = 997357302. Its totient is φ = 997357300.

The previous prime is 997357271. The next prime is 997357307. The reversal of 997357301 is 103753799.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 732514225 + 264843076 = 27065^2 + 16274^2 .

It is a cyclic number.

It is not a de Polignac number, because 997357301 - 2¹⁴ = 997340917 is a prime.

It is a super-3 number, since 3×997357301³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (997357307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498678650 + 498678651.

It is an arithmetic number, because the mean of its divisors is an integer number (498678651).

Almost surely, 2^997357301 is an apocalyptic number.

It is an amenable number.

997357301 is a deficient number, since it is larger than the sum of its proper divisors (1).

997357301 is an equidigital number, since it uses as much as digits as its factorization.

997357301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 178605, while the sum is 44.

The square root of 997357301 is about 31580.9642189722. The cubic root of 997357301 is about 999.1183232078.

The spelling of 997357301 in words is "nine hundred ninety-seven million, three hundred fifty-seven thousand, three hundred one".