87954541 has 2 divisors, whose sum is σ = 87954542. Its totient is φ = 87954540.

The previous prime is 87954527. The next prime is 87954577. The reversal of 87954541 is 14545978.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78057225 + 9897316 = 8835^2 + 3146^2 .

It is a cyclic number.

It is not a de Polignac number, because 87954541 - 2⁹ = 87954029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87954241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43977270 + 43977271.

It is an arithmetic number, because the mean of its divisors is an integer number (43977271).

Almost surely, 2^87954541 is an apocalyptic number.

It is an amenable number.

87954541 is a deficient number, since it is larger than the sum of its proper divisors (1).

87954541 is an equidigital number, since it uses as much as digits as its factorization.

87954541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 43.

The square root of 87954541 is about 9378.4082338103. The cubic root of 87954541 is about 444.7194140800.

The spelling of 87954541 in words is "eighty-seven million, nine hundred fifty-four thousand, five hundred forty-one".