397412573 has 2 divisors, whose sum is σ = 397412574. Its totient is φ = 397412572.

The previous prime is 397412563. The next prime is 397412593. The reversal of 397412573 is 375214793.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 379587289 + 17825284 = 19483^2 + 4222^2 .

It is a cyclic number.

It is not a de Polignac number, because 397412573 - 2¹² = 397408477 is a prime.

It is a super-3 number, since 3×397412573³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 397412573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397412563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198706286 + 198706287.

It is an arithmetic number, because the mean of its divisors is an integer number (198706287).

Almost surely, 2^397412573 is an apocalyptic number.

It is an amenable number.

397412573 is a deficient number, since it is larger than the sum of its proper divisors (1).

397412573 is an equidigital number, since it uses as much as digits as its factorization.

397412573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 41.

The square root of 397412573 is about 19935.2093793870. The cubic root of 397412573 is about 735.2141680789.

The spelling of 397412573 in words is "three hundred ninety-seven million, four hundred twelve thousand, five hundred seventy-three".