397103461 has 2 divisors, whose sum is σ = 397103462. Its totient is φ = 397103460.

The previous prime is 397103431. The next prime is 397103471. The reversal of 397103461 is 164301793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255040900 + 142062561 = 15970^2 + 11919^2 .

It is a cyclic number.

It is not a de Polignac number, because 397103461 - 2¹⁹ = 396579173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397103431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198551730 + 198551731.

It is an arithmetic number, because the mean of its divisors is an integer number (198551731).

Almost surely, 2^397103461 is an apocalyptic number.

It is an amenable number.

397103461 is a deficient number, since it is larger than the sum of its proper divisors (1).

397103461 is an equidigital number, since it uses as much as digits as its factorization.

397103461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 397103461 is about 19927.4549554126. The cubic root of 397103461 is about 735.0234993335.

The spelling of 397103461 in words is "three hundred ninety-seven million, one hundred three thousand, four hundred sixty-one".