1084554157 has 2 divisors, whose sum is σ = 1084554158. Its totient is φ = 1084554156.

The previous prime is 1084554113. The next prime is 1084554193. The reversal of 1084554157 is 7514554801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 609793636 + 474760521 = 24694^2 + 21789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1084554157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1084524157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542277078 + 542277079.

It is an arithmetic number, because the mean of its divisors is an integer number (542277079).

Almost surely, 2^1084554157 is an apocalyptic number.

It is an amenable number.

1084554157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084554157 is an equidigital number, since it uses as much as digits as its factorization.

1084554157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112000, while the sum is 40.

The square root of 1084554157 is about 32932.5698511367. The cubic root of 1084554157 is about 1027.4256751095.

The spelling of 1084554157 in words is "one billion, eighty-four million, five hundred fifty-four thousand, one hundred fifty-seven".