901298551 has 2 divisors, whose sum is σ = 901298552. Its totient is φ = 901298550.

The previous prime is 901298501. The next prime is 901298561. The reversal of 901298551 is 155892109.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 901298551 - 2⁷ = 901298423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (901298501) 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 as a sum of consecutive naturals, namely, 450649275 + 450649276.

It is an arithmetic number, because the mean of its divisors is an integer number (450649276).

Almost surely, 2^901298551 is an apocalyptic number.

901298551 is a deficient number, since it is larger than the sum of its proper divisors (1).

901298551 is an equidigital number, since it uses as much as digits as its factorization.

901298551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 40.

The square root of 901298551 is about 30021.6347156513. The cubic root of 901298551 is about 965.9535085724.

The spelling of 901298551 in words is "nine hundred one million, two hundred ninety-eight thousand, five hundred fifty-one".