32531240977 has 2 divisors, whose sum is σ = 32531240978. Its totient is φ = 32531240976.

The previous prime is 32531240957. The next prime is 32531240983. The reversal of 32531240977 is 77904213523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32269092496 + 262148481 = 179636^2 + 16191^2 .

It is a cyclic number.

It is not a de Polignac number, because 32531240977 - 2¹⁵ = 32531208209 is a prime.

It is not a weakly prime, because it can be changed into another prime (32531240957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16265620488 + 16265620489.

It is an arithmetic number, because the mean of its divisors is an integer number (16265620489).

Almost surely, 2^32531240977 is an apocalyptic number.

It is an amenable number.

32531240977 is a deficient number, since it is larger than the sum of its proper divisors (1).

32531240977 is an equidigital number, since it uses as much as digits as its factorization.

32531240977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 32531240977 in words is "thirty-two billion, five hundred thirty-one million, two hundred forty thousand, nine hundred seventy-seven".