514947397 has 2 divisors, whose sum is σ = 514947398. Its totient is φ = 514947396.

The previous prime is 514947373. The next prime is 514947431. The reversal of 514947397 is 793749415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266538276 + 248409121 = 16326^2 + 15761^2 .

It is a cyclic number.

It is not a de Polignac number, because 514947397 - 2²⁷ = 380729669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 514947397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514947337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257473698 + 257473699.

It is an arithmetic number, because the mean of its divisors is an integer number (257473699).

Almost surely, 2^514947397 is an apocalyptic number.

It is an amenable number.

514947397 is a deficient number, since it is larger than the sum of its proper divisors (1).

514947397 is an equidigital number, since it uses as much as digits as its factorization.

514947397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 49.

The square root of 514947397 is about 22692.4524236584. The cubic root of 514947397 is about 801.5321663138.

The spelling of 514947397 in words is "five hundred fourteen million, nine hundred forty-seven thousand, three hundred ninety-seven".