89901913 has 2 divisors, whose sum is σ = 89901914. Its totient is φ = 89901912.

The previous prime is 89901907. The next prime is 89901919. The reversal of 89901913 is 31910998.

It is a balanced prime because it is at equal distance from previous prime (89901907) and next prime (89901919).

It can be written as a sum of positive squares in only one way, i.e., 79423744 + 10478169 = 8912^2 + 3237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89901913 is a prime.

It is a super-2 number, since 2×89901913² = 16164707922119138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89901919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44950956 + 44950957.

It is an arithmetic number, because the mean of its divisors is an integer number (44950957).

Almost surely, 2^89901913 is an apocalyptic number.

It is an amenable number.

89901913 is a deficient number, since it is larger than the sum of its proper divisors (1).

89901913 is an equidigital number, since it uses as much as digits as its factorization.

89901913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 40.

The square root of 89901913 is about 9481.6619323830. The cubic root of 89901913 is about 447.9776126807.

The spelling of 89901913 in words is "eighty-nine million, nine hundred one thousand, nine hundred thirteen".