1954054213 has 2 divisors, whose sum is σ = 1954054214. Its totient is φ = 1954054212.

The previous prime is 1954054189. The next prime is 1954054231. The reversal of 1954054213 is 3124504591.

Together with next prime (1954054231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1946397924 + 7656289 = 44118^2 + 2767^2 .

It is a cyclic number.

It is not a de Polignac number, because 1954054213 - 2²⁵ = 1920499781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1954054283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977027106 + 977027107.

It is an arithmetic number, because the mean of its divisors is an integer number (977027107).

Almost surely, 2^1954054213 is an apocalyptic number.

It is an amenable number.

1954054213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1954054213 is an equidigital number, since it uses as much as digits as its factorization.

1954054213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 1954054213 is about 44204.6854190820. The cubic root of 1954054213 is about 1250.1982006782.

The spelling of 1954054213 in words is "one billion, nine hundred fifty-four million, fifty-four thousand, two hundred thirteen".