97052621 has 2 divisors, whose sum is σ = 97052622. Its totient is φ = 97052620.

The previous prime is 97052611. The next prime is 97052651. The reversal of 97052621 is 12625079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64722025 + 32330596 = 8045^2 + 5686^2 .

It is an emirp because it is prime and its reverse (12625079) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97052621 is a prime.

It is a super-2 number, since 2×97052621² = 18838422485939282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97052611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48526310 + 48526311.

It is an arithmetic number, because the mean of its divisors is an integer number (48526311).

Almost surely, 2^97052621 is an apocalyptic number.

It is an amenable number.

97052621 is a deficient number, since it is larger than the sum of its proper divisors (1).

97052621 is an equidigital number, since it uses as much as digits as its factorization.

97052621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 97052621 is about 9851.5288661202. The cubic root of 97052621 is about 459.5531593405.

The spelling of 97052621 in words is "ninety-seven million, fifty-two thousand, six hundred twenty-one".