972801941 has 2 divisors, whose sum is σ = 972801942. Its totient is φ = 972801940.

The previous prime is 972801923. The next prime is 972801959. The reversal of 972801941 is 149108279.

972801941 = 22054² + 22055².

It is a balanced prime because it is at equal distance from previous prime (972801923) and next prime (972801959).

It can be written as a sum of positive squares in only one way, i.e., 486423025 + 486378916 = 22055^2 + 22054^2 .

It is an emirp because it is prime and its reverse (149108279) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972801941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972803941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486400970 + 486400971.

It is an arithmetic number, because the mean of its divisors is an integer number (486400971).

Almost surely, 2^972801941 is an apocalyptic number.

972801941 is the 22055-th centered square number.

It is an amenable number.

972801941 is a deficient number, since it is larger than the sum of its proper divisors (1).

972801941 is an equidigital number, since it uses as much as digits as its factorization.

972801941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 972801941 is about 31189.7730193729. The cubic root of 972801941 is about 990.8505227085.

The spelling of 972801941 in words is "nine hundred seventy-two million, eight hundred one thousand, nine hundred forty-one".