61092901 has 2 divisors, whose sum is σ = 61092902. Its totient is φ = 61092900.

The previous prime is 61092887. The next prime is 61092919. The reversal of 61092901 is 10929016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36590401 + 24502500 = 6049^2 + 4950^2 .

It is a cyclic number.

It is not a de Polignac number, because 61092901 - 2⁵ = 61092869 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 61092901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61092601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30546450 + 30546451.

It is an arithmetic number, because the mean of its divisors is an integer number (30546451).

Almost surely, 2^61092901 is an apocalyptic number.

It is an amenable number.

61092901 is a deficient number, since it is larger than the sum of its proper divisors (1).

61092901 is an equidigital number, since it uses as much as digits as its factorization.

61092901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 61092901 is about 7816.1947903056. The cubic root of 61092901 is about 393.8494554849.

The spelling of 61092901 in words is "sixty-one million, ninety-two thousand, nine hundred one".