901572613 has 2 divisors, whose sum is σ = 901572614. Its totient is φ = 901572612.

The previous prime is 901572601. The next prime is 901572631. The reversal of 901572613 is 316275109.

901572613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (901572631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 654234084 + 247338529 = 25578^2 + 15727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-901572613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (901575613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450786306 + 450786307.

It is an arithmetic number, because the mean of its divisors is an integer number (450786307).

Almost surely, 2^901572613 is an apocalyptic number.

It is an amenable number.

901572613 is a deficient number, since it is larger than the sum of its proper divisors (1).

901572613 is an equidigital number, since it uses as much as digits as its factorization.

901572613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 901572613 is about 30026.1987770680. The cubic root of 901572613 is about 966.0514059606.

The spelling of 901572613 in words is "nine hundred one million, five hundred seventy-two thousand, six hundred thirteen".