971893045 has 16 divisors (see below), whose sum is σ = 1173507840. Its totient is φ = 772706304.

The previous prime is 971892983. The next prime is 971893049. The reversal of 971893045 is 540398179.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 971893045 - 2⁷ = 971892917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 971892986 and 971893004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971893049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057096 + ... + 1058014.

It is an arithmetic number, because the mean of its divisors is an integer number (73344240).

Almost surely, 2^971893045 is an apocalyptic number.

It is an amenable number.

971893045 is a deficient number, since it is larger than the sum of its proper divisors (201614795).

971893045 is a wasteful number, since it uses less digits than its factorization.

971893045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 971893045 is about 31175.1991974390. The cubic root of 971893045 is about 990.5418402463.

The spelling of 971893045 in words is "nine hundred seventy-one million, eight hundred ninety-three thousand, forty-five".