61094591 has 2 divisors, whose sum is σ = 61094592. Its totient is φ = 61094590.

The previous prime is 61094587. The next prime is 61094599. The reversal of 61094591 is 19549016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61094591 - 2² = 61094587 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61094599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30547295 + 30547296.

It is an arithmetic number, because the mean of its divisors is an integer number (30547296).

Almost surely, 2^61094591 is an apocalyptic number.

61094591 is a deficient number, since it is larger than the sum of its proper divisors (1).

61094591 is an equidigital number, since it uses as much as digits as its factorization.

61094591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 61094591 is about 7816.3028984297. The cubic root of 61094591 is about 393.8530871095.

The spelling of 61094591 in words is "sixty-one million, ninety-four thousand, five hundred ninety-one".