901370513 has 2 divisors, whose sum is σ = 901370514. Its totient is φ = 901370512.

The previous prime is 901370473. The next prime is 901370531. The reversal of 901370513 is 315073109.

Together with next prime (901370531) 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., 566773249 + 334597264 = 23807^2 + 18292^2 .

It is a cyclic number.

It is not a de Polignac number, because 901370513 - 2²⁰ = 900321937 is a prime.

It is not a weakly prime, because it can be changed into another prime (901370543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450685256 + 450685257.

It is an arithmetic number, because the mean of its divisors is an integer number (450685257).

Almost surely, 2^901370513 is an apocalyptic number.

It is an amenable number.

901370513 is a deficient number, since it is larger than the sum of its proper divisors (1).

901370513 is an equidigital number, since it uses as much as digits as its factorization.

901370513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 901370513 is about 30022.8331940875. The cubic root of 901370513 is about 965.9792159611.

The spelling of 901370513 in words is "nine hundred one million, three hundred seventy thousand, five hundred thirteen".