99912541 has 2 divisors, whose sum is σ = 99912542. Its totient is φ = 99912540.

The previous prime is 99912523. The next prime is 99912559. The reversal of 99912541 is 14521999.

It is a balanced prime because it is at equal distance from previous prime (99912523) and next prime (99912559).

It can be written as a sum of positive squares in only one way, i.e., 71064900 + 28847641 = 8430^2 + 5371^2 .

It is a cyclic number.

It is not a de Polignac number, because 99912541 - 2⁷ = 99912413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99912494 and 99912503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99912581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49956270 + 49956271.

It is an arithmetic number, because the mean of its divisors is an integer number (49956271).

Almost surely, 2^99912541 is an apocalyptic number.

It is an amenable number.

99912541 is a deficient number, since it is larger than the sum of its proper divisors (1).

99912541 is an equidigital number, since it uses as much as digits as its factorization.

99912541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 40.

The square root of 99912541 is about 9995.6260934471. The cubic root of 99912541 is about 464.0235276541.

The spelling of 99912541 in words is "ninety-nine million, nine hundred twelve thousand, five hundred forty-one".