821053150 has 12 divisors (see below), whose sum is σ = 1527158952. Its totient is φ = 328421240.

The previous prime is 821053147. The next prime is 821053153. The reversal of 821053150 is 51350128.

It is a happy number.

821053150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (821053147) and next prime (821053153).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (821053153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8210482 + ... + 8210581.

It is an arithmetic number, because the mean of its divisors is an integer number (127263246).

Almost surely, 2^821053150 is an apocalyptic number.

821053150 is a deficient number, since it is larger than the sum of its proper divisors (706105802).

821053150 is a wasteful number, since it uses less digits than its factorization.

821053150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16421075 (or 16421070 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 821053150 is about 28654.0250226735. The cubic root of 821053150 is about 936.3906974101.

The spelling of 821053150 in words is "eight hundred twenty-one million, fifty-three thousand, one hundred fifty".