905534641 has 4 divisors (see below), whose sum is σ = 987855984. Its totient is φ = 823213300.

The previous prime is 905534611. The next prime is 905534647. The reversal of 905534641 is 146435509.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 146435509 = 11 ⋅13312319.

It is a cyclic number.

It is not a de Polignac number, because 905534641 - 2¹³ = 905526449 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 905534641.

It is not an unprimeable number, because it can be changed into a prime (905534647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41160655 + ... + 41160676.

It is an arithmetic number, because the mean of its divisors is an integer number (246963996).

Almost surely, 2^905534641 is an apocalyptic number.

It is an amenable number.

905534641 is a deficient number, since it is larger than the sum of its proper divisors (82321343).

905534641 is a wasteful number, since it uses less digits than its factorization.

905534641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82321342.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 905534641 is about 30092.1026350769. The cubic root of 905534641 is about 967.4644663307.

The spelling of 905534641 in words is "nine hundred five million, five hundred thirty-four thousand, six hundred forty-one".