61333971 has 8 divisors (see below), whose sum is σ = 81816000. Its totient is φ = 40870632.

The previous prime is 61333897. The next prime is 61333999. The reversal of 61333971 is 17933316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61333971 - 2¹⁴ = 61317587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61333771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7576 + ... + 13418.

It is an arithmetic number, because the mean of its divisors is an integer number (10227000).

Almost surely, 2^61333971 is an apocalyptic number.

61333971 is a deficient number, since it is larger than the sum of its proper divisors (20482029).

61333971 is a wasteful number, since it uses less digits than its factorization.

61333971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9345.

The product of its digits is 10206, while the sum is 33.

The square root of 61333971 is about 7831.6007942183. The cubic root of 61333971 is about 394.3668133469.

The spelling of 61333971 in words is "sixty-one million, three hundred thirty-three thousand, nine hundred seventy-one".