61254091 has 2 divisors, whose sum is σ = 61254092. Its totient is φ = 61254090.

The previous prime is 61254073. The next prime is 61254101. The reversal of 61254091 is 19045216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61254091 - 2⁷ = 61253963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61254001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30627045 + 30627046.

It is an arithmetic number, because the mean of its divisors is an integer number (30627046).

Almost surely, 2^61254091 is an apocalyptic number.

61254091 is a deficient number, since it is larger than the sum of its proper divisors (1).

61254091 is an equidigital number, since it uses as much as digits as its factorization.

61254091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 61254091 is about 7826.4992812879. The cubic root of 61254091 is about 394.1955341124.

The spelling of 61254091 in words is "sixty-one million, two hundred fifty-four thousand, ninety-one".