61263061 has 16 divisors (see below), whose sum is σ = 64471680. Its totient is φ = 58164480.

The previous prime is 61263031. The next prime is 61263079. The reversal of 61263061 is 16036216.

It is a cyclic number.

It is not a de Polignac number, because 61263061 - 2⁵ = 61263029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61263001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375766 + ... + 375928.

It is an arithmetic number, because the mean of its divisors is an integer number (4029480).

Almost surely, 2^61263061 is an apocalyptic number.

It is an amenable number.

61263061 is a deficient number, since it is larger than the sum of its proper divisors (3208619).

61263061 is a wasteful number, since it uses less digits than its factorization.

61263061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 61263061 is about 7827.0723134516. The cubic root of 61263061 is about 394.2147750659.

Adding to 61263061 its reverse (16036216), we get a palindrome (77299277).

The spelling of 61263061 in words is "sixty-one million, two hundred sixty-three thousand, sixty-one".