901535 has 4 divisors (see below), whose sum is σ = 1081848. Its totient is φ = 721224.

The previous prime is 901529. The next prime is 901547. The reversal of 901535 is 535109.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 535109 = 17 ⋅31477.

It is a cyclic number.

It is not a de Polignac number, because 901535 - 2⁶ = 901471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 901535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90149 + ... + 90158.

It is an arithmetic number, because the mean of its divisors is an integer number (270462).

2⁹⁰¹⁵³⁵ is an apocalyptic number.

901535 is a deficient number, since it is larger than the sum of its proper divisors (180313).

901535 is a wasteful number, since it uses less digits than its factorization.

901535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180312.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 901535 is about 949.4919694236. The cubic root of 901535 is about 96.6037971437.

The spelling of 901535 in words is "nine hundred one thousand, five hundred thirty-five".