61090307 has 2 divisors, whose sum is σ = 61090308. Its totient is φ = 61090306.

The previous prime is 61090283. The next prime is 61090343. The reversal of 61090307 is 70309016.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61090307 - 2¹² = 61086211 is a prime.

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

It is not a weakly prime, because it can be changed into another prime (61090357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30545153 + 30545154.

It is an arithmetic number, because the mean of its divisors is an integer number (30545154).

Almost surely, 2^61090307 is an apocalyptic number.

61090307 is a deficient number, since it is larger than the sum of its proper divisors (1).

61090307 is an equidigital number, since it uses as much as digits as its factorization.

61090307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 61090307 is about 7816.0288510215. The cubic root of 61090307 is about 393.8438811332.

The spelling of 61090307 in words is "sixty-one million, ninety thousand, three hundred seven".