954033821 has 4 divisors (see below), whose sum is σ = 1027421052. Its totient is φ = 880646592.

The previous prime is 954033811. The next prime is 954033877. The reversal of 954033821 is 128330459.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 265233796 + 688800025 = 16286^2 + 26245^2 .

It is a cyclic number.

It is not a de Polignac number, because 954033821 - 2¹⁸ = 953771677 is a prime.

It is a super-2 number, since 2×954033821² = 1820361063223720082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (954033811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36693596 + ... + 36693621.

It is an arithmetic number, because the mean of its divisors is an integer number (256855263).

Almost surely, 2^954033821 is an apocalyptic number.

It is an amenable number.

954033821 is a deficient number, since it is larger than the sum of its proper divisors (73387231).

954033821 is a wasteful number, since it uses less digits than its factorization.

954033821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73387230.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 954033821 is about 30887.4379157612. The cubic root of 954033821 is about 984.4369895300.

The spelling of 954033821 in words is "nine hundred fifty-four million, thirty-three thousand, eight hundred twenty-one".