88921541 has 2 divisors, whose sum is σ = 88921542. Its totient is φ = 88921540.

The previous prime is 88921537. The next prime is 88921559. The reversal of 88921541 is 14512988.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56100100 + 32821441 = 7490^2 + 5729^2 .

It is a cyclic number.

It is not a de Polignac number, because 88921541 - 2² = 88921537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 88921495 and 88921504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88921241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44460770 + 44460771.

It is an arithmetic number, because the mean of its divisors is an integer number (44460771).

Almost surely, 2^88921541 is an apocalyptic number.

It is an amenable number.

88921541 is a deficient number, since it is larger than the sum of its proper divisors (1).

88921541 is an equidigital number, since it uses as much as digits as its factorization.

88921541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 38.

The square root of 88921541 is about 9429.8218965153. The cubic root of 88921541 is about 446.3432726960.

The spelling of 88921541 in words is "eighty-eight million, nine hundred twenty-one thousand, five hundred forty-one".