901380497 has 2 divisors, whose sum is σ = 901380498. Its totient is φ = 901380496.

The previous prime is 901380481. The next prime is 901380509. The reversal of 901380497 is 794083109.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 840478081 + 60902416 = 28991^2 + 7804^2 .

It is a cyclic number.

It is not a de Polignac number, because 901380497 - 2⁴ = 901380481 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (901388497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450690248 + 450690249.

It is an arithmetic number, because the mean of its divisors is an integer number (450690249).

Almost surely, 2^901380497 is an apocalyptic number.

It is an amenable number.

901380497 is a deficient number, since it is larger than the sum of its proper divisors (1).

901380497 is an equidigital number, since it uses as much as digits as its factorization.

901380497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 901380497 is about 30022.9994670752. Note that the first 3 decimals coincide. The cubic root of 901380497 is about 965.9827824933.

The spelling of 901380497 in words is "nine hundred one million, three hundred eighty thousand, four hundred ninety-seven".