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972532949 is a prime number
BaseRepresentation
bin111001111101111…
…010110011010101
32111202222210101212
4321331322303111
53442432023244
6240300431205
733046252013
oct7175726325
92452883355
10972532949
11459a73443
12231848505
131266410ab
149323b8b3
155a5a7d9e
hex39f7acd5

972532949 has 2 divisors, whose sum is σ = 972532950. Its totient is φ = 972532948.

The previous prime is 972532933. The next prime is 972532969. The reversal of 972532949 is 949235279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 787083025 + 185449924 = 28055^2 + 13618^2 .

It is a cyclic number.

It is not a de Polignac number, because 972532949 - 24 = 972532933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 972532897 and 972532906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972532909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486266474 + 486266475.

It is an arithmetic number, because the mean of its divisors is an integer number (486266475).

Almost surely, 2972532949 is an apocalyptic number.

It is an amenable number.

972532949 is a deficient number, since it is larger than the sum of its proper divisors (1).

972532949 is an equidigital number, since it uses as much as digits as its factorization.

972532949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 50.

The square root of 972532949 is about 31185.4605385266. The cubic root of 972532949 is about 990.7591867360.

The spelling of 972532949 in words is "nine hundred seventy-two million, five hundred thirty-two thousand, nine hundred forty-nine".