65274997 has 2 divisors, whose sum is σ = 65274998. Its totient is φ = 65274996.

The previous prime is 65274949. The next prime is 65275031. The reversal of 65274997 is 79947256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65141041 + 133956 = 8071^2 + 366^2 .

It is a cyclic number.

It is not a de Polignac number, because 65274997 - 2¹⁹ = 64750709 is a prime.

It is a super-3 number, since 3×65274997³ (a number of 24 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 65274997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65274907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32637498 + 32637499.

It is an arithmetic number, because the mean of its divisors is an integer number (32637499).

Almost surely, 2^65274997 is an apocalyptic number.

It is an amenable number.

65274997 is a deficient number, since it is larger than the sum of its proper divisors (1).

65274997 is an equidigital number, since it uses as much as digits as its factorization.

65274997 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 65274997 is about 8079.2943379976. The cubic root of 65274997 is about 402.6387973410.

The spelling of 65274997 in words is "sixty-five million, two hundred seventy-four thousand, nine hundred ninety-seven".