61042325304397 has 2 divisors, whose sum is σ = 61042325304398. Its totient is φ = 61042325304396.

The previous prime is 61042325304379. The next prime is 61042325304437. The reversal of 61042325304397 is 79340352324016.

Together with previous prime (61042325304379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59113862610916 + 1928462693481 = 7688554^2 + 1388691^2 .

It is a cyclic number.

It is not a de Polignac number, because 61042325304397 - 2³¹ = 61040177820749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61042325304397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61042325302397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30521162652198 + 30521162652199.

It is an arithmetic number, because the mean of its divisors is an integer number (30521162652199).

Almost surely, 2^{61042325304397} is an apocalyptic number.

It is an amenable number.

61042325304397 is a deficient number, since it is larger than the sum of its proper divisors (1).

61042325304397 is an equidigital number, since it uses as much as digits as its factorization.

61042325304397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 49.

The spelling of 61042325304397 in words is "sixty-one trillion, forty-two billion, three hundred twenty-five million, three hundred four thousand, three hundred ninety-seven".