905047255 has 16 divisors (see below), whose sum is σ = 1241823744. Its totient is φ = 620295840.

The previous prime is 905047249. The next prime is 905047267. The reversal of 905047255 is 552740509.

It is not a de Polignac number, because 905047255 - 2⁹ = 905046743 is a prime.

It is a super-2 number, since 2×905047255² = 1638221067566070050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82440 + ... + 92770.

It is an arithmetic number, because the mean of its divisors is an integer number (77613984).

Almost surely, 2^905047255 is an apocalyptic number.

905047255 is a deficient number, since it is larger than the sum of its proper divisors (336776489).

905047255 is a wasteful number, since it uses less digits than its factorization.

905047255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12846.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 905047255 is about 30084.0033074057. The cubic root of 905047255 is about 967.2908623486.

The spelling of 905047255 in words is "nine hundred five million, forty-seven thousand, two hundred fifty-five".