61848971 has 4 divisors (see below), whose sum is σ = 65104200. Its totient is φ = 58593744.

The previous prime is 61848961. The next prime is 61848977. The reversal of 61848971 is 17984816.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61848971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61848977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627586 + ... + 1627623.

It is an arithmetic number, because the mean of its divisors is an integer number (16276050).

Almost surely, 2^61848971 is an apocalyptic number.

61848971 is a deficient number, since it is larger than the sum of its proper divisors (3255229).

61848971 is a wasteful number, since it uses less digits than its factorization.

61848971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255228.

The product of its digits is 96768, while the sum is 44.

The square root of 61848971 is about 7864.4116753893. The cubic root of 61848971 is about 395.4675252485.

The spelling of 61848971 in words is "sixty-one million, eight hundred forty-eight thousand, nine hundred seventy-one".