1905235151 has 2 divisors, whose sum is σ = 1905235152. Its totient is φ = 1905235150.

The previous prime is 1905235121. The next prime is 1905235177. The reversal of 1905235151 is 1515325091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1905235151 - 2²² = 1901040847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1905235121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 952617575 + 952617576.

It is an arithmetic number, because the mean of its divisors is an integer number (952617576).

Almost surely, 2^1905235151 is an apocalyptic number.

1905235151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1905235151 is an equidigital number, since it uses as much as digits as its factorization.

1905235151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 1905235151 is about 43648.9994272492. Note that the first 3 decimals coincide. The cubic root of 1905235151 is about 1239.6988409719.

The spelling of 1905235151 in words is "one billion, nine hundred five million, two hundred thirty-five thousand, one hundred fifty-one".