397413503 has 2 divisors, whose sum is σ = 397413504. Its totient is φ = 397413502.

The previous prime is 397413479. The next prime is 397413517. The reversal of 397413503 is 305314793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 397413503 - 2¹⁰ = 397412479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397413563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198706751 + 198706752.

It is an arithmetic number, because the mean of its divisors is an integer number (198706752).

Almost surely, 2^397413503 is an apocalyptic number.

397413503 is a deficient number, since it is larger than the sum of its proper divisors (1).

397413503 is an equidigital number, since it uses as much as digits as its factorization.

397413503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 397413503 is about 19935.2327049373. The cubic root of 397413503 is about 735.2147415792.

The spelling of 397413503 in words is "three hundred ninety-seven million, four hundred thirteen thousand, five hundred three".