61192801 has 2 divisors, whose sum is σ = 61192802. Its totient is φ = 61192800.

The previous prime is 61192799. The next prime is 61192819. The reversal of 61192801 is 10829116.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61152400 + 40401 = 7820^2 + 201^2 .

It is a cyclic number.

It is not a de Polignac number, because 61192801 - 2¹ = 61192799 is a prime.

Together with 61192799, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 61192801.

It is not a weakly prime, because it can be changed into another prime (61192861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30596400 + 30596401.

It is an arithmetic number, because the mean of its divisors is an integer number (30596401).

Almost surely, 2^61192801 is an apocalyptic number.

It is an amenable number.

61192801 is a deficient number, since it is larger than the sum of its proper divisors (1).

61192801 is an equidigital number, since it uses as much as digits as its factorization.

61192801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 61192801 is about 7822.5827576319. The cubic root of 61192801 is about 394.0640146960.

The spelling of 61192801 in words is "sixty-one million, one hundred ninety-two thousand, eight hundred one".