53274197 has 2 divisors, whose sum is σ = 53274198. Its totient is φ = 53274196.

The previous prime is 53274173. The next prime is 53274217. The reversal of 53274197 is 79147235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48080356 + 5193841 = 6934^2 + 2279^2 .

It is a cyclic number.

It is not a de Polignac number, because 53274197 - 2¹² = 53270101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53274197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53274097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26637098 + 26637099.

It is an arithmetic number, because the mean of its divisors is an integer number (26637099).

Almost surely, 2^53274197 is an apocalyptic number.

It is an amenable number.

53274197 is a deficient number, since it is larger than the sum of its proper divisors (1).

53274197 is an equidigital number, since it uses as much as digits as its factorization.

53274197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 53274197 is about 7298.9175224824. The cubic root of 53274197 is about 376.2752365497.

The spelling of 53274197 in words is "fifty-three million, two hundred seventy-four thousand, one hundred ninety-seven".