61953413 has 2 divisors, whose sum is σ = 61953414. Its totient is φ = 61953412.

The previous prime is 61953383. The next prime is 61953443. The reversal of 61953413 is 31435916.

61953413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (61953383) and next prime (61953443).

It can be written as a sum of positive squares in only one way, i.e., 38353249 + 23600164 = 6193^2 + 4858^2 .

It is a cyclic number.

It is not a de Polignac number, because 61953413 - 2⁶ = 61953349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61953413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61953443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30976706 + 30976707.

It is an arithmetic number, because the mean of its divisors is an integer number (30976707).

Almost surely, 2^61953413 is an apocalyptic number.

It is an amenable number.

61953413 is a deficient number, since it is larger than the sum of its proper divisors (1).

61953413 is an equidigital number, since it uses as much as digits as its factorization.

61953413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 61953413 is about 7871.0490406298. The cubic root of 61953413 is about 395.6900037108.

The spelling of 61953413 in words is "sixty-one million, nine hundred fifty-three thousand, four hundred thirteen".