53103397 has 2 divisors, whose sum is σ = 53103398. Its totient is φ = 53103396.

The previous prime is 53103353. The next prime is 53103419. The reversal of 53103397 is 79330135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52330756 + 772641 = 7234^2 + 879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53103397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53103697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26551698 + 26551699.

It is an arithmetic number, because the mean of its divisors is an integer number (26551699).

Almost surely, 2^53103397 is an apocalyptic number.

It is an amenable number.

53103397 is a deficient number, since it is larger than the sum of its proper divisors (1).

53103397 is an equidigital number, since it uses as much as digits as its factorization.

53103397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8505, while the sum is 31.

The square root of 53103397 is about 7287.2077642949. The cubic root of 53103397 is about 375.8726863555.

The spelling of 53103397 in words is "fifty-three million, one hundred three thousand, three hundred ninety-seven".