954051421 has 4 divisors (see below), whose sum is σ = 954743644. Its totient is φ = 953359200.

The previous prime is 954051403. The next prime is 954051457. The reversal of 954051421 is 124150459.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124150459 = 2683 ⋅46273.

It can be written as a sum of positive squares in 2 ways, for example, as 744525796 + 209525625 = 27286^2 + 14475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-954051421 is a prime.

It is a super-2 number, since 2×954051421² = 1820428227824238482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (954051491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344040 + ... + 346801.

It is an arithmetic number, because the mean of its divisors is an integer number (238685911).

Almost surely, 2^954051421 is an apocalyptic number.

It is an amenable number.

954051421 is a deficient number, since it is larger than the sum of its proper divisors (692223).

954051421 is a wasteful number, since it uses less digits than its factorization.

954051421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692222.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 954051421 is about 30887.7228199167. The cubic root of 954051421 is about 984.4430431185.

The spelling of 954051421 in words is "nine hundred fifty-four million, fifty-one thousand, four hundred twenty-one".