61952161 has 4 divisors (see below), whose sum is σ = 62398000. Its totient is φ = 61506324.

The previous prime is 61952117. The next prime is 61952173. The reversal of 61952161 is 16125916.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61952161 - 2¹¹ = 61950113 is a prime.

It is a super-3 number, since 3×61952161³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61952101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222711 + ... + 222988.

It is an arithmetic number, because the mean of its divisors is an integer number (15599500).

Almost surely, 2^61952161 is an apocalyptic number.

It is an amenable number.

61952161 is a deficient number, since it is larger than the sum of its proper divisors (445839).

61952161 is a wasteful number, since it uses less digits than its factorization.

61952161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445838.

The product of its digits is 3240, while the sum is 31.

The square root of 61952161 is about 7870.9695082626. The cubic root of 61952161 is about 395.6873382282.

The spelling of 61952161 in words is "sixty-one million, nine hundred fifty-two thousand, one hundred sixty-one".