61045807 has 2 divisors, whose sum is σ = 61045808. Its totient is φ = 61045806.

The previous prime is 61045801. The next prime is 61045823. The reversal of 61045807 is 70854016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61045807 - 2¹⁵ = 61013039 is a prime.

It is equal to p_3620587 and since 61045807 and 3620587 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61045801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30522903 + 30522904.

It is an arithmetic number, because the mean of its divisors is an integer number (30522904).

Almost surely, 2^61045807 is an apocalyptic number.

61045807 is a deficient number, since it is larger than the sum of its proper divisors (1).

61045807 is an equidigital number, since it uses as much as digits as its factorization.

61045807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 61045807 is about 7813.1816182654. The cubic root of 61045807 is about 393.7482286978.

It can be divided in two parts, 6104 and 5807, that added together give a palindrome (11911).

The spelling of 61045807 in words is "sixty-one million, forty-five thousand, eight hundred seven".