25432040250473 has 2 divisors, whose sum is σ = 25432040250474. Its totient is φ = 25432040250472.

The previous prime is 25432040250443. The next prime is 25432040250479. The reversal of 25432040250473 is 37405204023452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21993548713984 + 3438491536489 = 4689728^2 + 1854317^2 .

It is a cyclic number.

It is not a de Polignac number, because 25432040250473 - 2²² = 25432036056169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25432040250473.

It is not a weakly prime, because it can be changed into another prime (25432040250479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12716020125236 + 12716020125237.

It is an arithmetic number, because the mean of its divisors is an integer number (12716020125237).

Almost surely, 2^{25432040250473} is an apocalyptic number.

It is an amenable number.

25432040250473 is a deficient number, since it is larger than the sum of its proper divisors (1).

25432040250473 is an equidigital number, since it uses as much as digits as its factorization.

25432040250473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 41.

The spelling of 25432040250473 in words is "twenty-five trillion, four hundred thirty-two billion, forty million, two hundred fifty thousand, four hundred seventy-three".