1954427 has 2 divisors, whose sum is σ = 1954428. Its totient is φ = 1954426.

The previous prime is 1954423. The next prime is 1954441. The reversal of 1954427 is 7244591.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7244591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1954427 - 2² = 1954423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1954393 and 1954402.

It is not a weakly prime, because it can be changed into another prime (1954423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977213 + 977214.

It is an arithmetic number, because the mean of its divisors is an integer number (977214).

2^1954427 is an apocalyptic number.

1954427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1954427 is an equidigital number, since it uses as much as digits as its factorization.

1954427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 1954427 is about 1398.0082260130. The cubic root of 1954427 is about 125.0277698302.

The spelling of 1954427 in words is "one million, nine hundred fifty-four thousand, four hundred twenty-seven".