61652291 has 2 divisors, whose sum is σ = 61652292. Its totient is φ = 61652290.

The previous prime is 61652267. The next prime is 61652299. The reversal of 61652291 is 19225616.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61652291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61652299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30826145 + 30826146.

It is an arithmetic number, because the mean of its divisors is an integer number (30826146).

Almost surely, 2^61652291 is an apocalyptic number.

61652291 is a deficient number, since it is larger than the sum of its proper divisors (1).

61652291 is an equidigital number, since it uses as much as digits as its factorization.

61652291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 32.

The square root of 61652291 is about 7851.8972866435. The cubic root of 61652291 is about 395.0478839563.

The spelling of 61652291 in words is "sixty-one million, six hundred fifty-two thousand, two hundred ninety-one".