899525461 has 2 divisors, whose sum is σ = 899525462. Its totient is φ = 899525460.

The previous prime is 899525453. The next prime is 899525467. The reversal of 899525461 is 164525998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 776736900 + 122788561 = 27870^2 + 11081^2 .

It is a cyclic number.

It is not a de Polignac number, because 899525461 - 2³ = 899525453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (899525467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449762730 + 449762731.

It is an arithmetic number, because the mean of its divisors is an integer number (449762731).

Almost surely, 2^899525461 is an apocalyptic number.

It is an amenable number.

899525461 is a deficient number, since it is larger than the sum of its proper divisors (1).

899525461 is an equidigital number, since it uses as much as digits as its factorization.

899525461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 49.

The square root of 899525461 is about 29992.0899738581. The cubic root of 899525461 is about 965.3196650074.

The spelling of 899525461 in words is "eight hundred ninety-nine million, five hundred twenty-five thousand, four hundred sixty-one".