61619353 has 2 divisors, whose sum is σ = 61619354. Its totient is φ = 61619352.

The previous prime is 61619329. The next prime is 61619399. The reversal of 61619353 is 35391616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38837824 + 22781529 = 6232^2 + 4773^2 .

It is a cyclic number.

It is not a de Polignac number, because 61619353 - 2⁵ = 61619321 is a prime.

It is not a weakly prime, because it can be changed into another prime (61619653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30809676 + 30809677.

It is an arithmetic number, because the mean of its divisors is an integer number (30809677).

Almost surely, 2^61619353 is an apocalyptic number.

It is an amenable number.

61619353 is a deficient number, since it is larger than the sum of its proper divisors (1).

61619353 is an equidigital number, since it uses as much as digits as its factorization.

61619353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 34.

The square root of 61619353 is about 7849.7995515809. The cubic root of 61619353 is about 394.9775194171.

The spelling of 61619353 in words is "sixty-one million, six hundred nineteen thousand, three hundred fifty-three".