61652623 has 2 divisors, whose sum is σ = 61652624. Its totient is φ = 61652622.

The previous prime is 61652611. The next prime is 61652641. The reversal of 61652623 is 32625616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61652623 - 2⁹ = 61652111 is a prime.

It is a super-3 number, since 3×61652623³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61650623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30826311 + 30826312.

It is an arithmetic number, because the mean of its divisors is an integer number (30826312).

Almost surely, 2^61652623 is an apocalyptic number.

61652623 is a deficient number, since it is larger than the sum of its proper divisors (1).

61652623 is an equidigital number, since it uses as much as digits as its factorization.

61652623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 61652623 is about 7851.9184280022. The cubic root of 61652623 is about 395.0485930711.

The spelling of 61652623 in words is "sixty-one million, six hundred fifty-two thousand, six hundred twenty-three".