870225533 has 32 divisors (see below), whose sum is σ = 960664320. Its totient is φ = 786240000.

The previous prime is 870225469. The next prime is 870225553. The reversal of 870225533 is 335522078.

It is a cyclic number.

It is not a de Polignac number, because 870225533 - 2⁶ = 870225469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 870225493 and 870225502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870225553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5763008 + ... + 5763158.

It is an arithmetic number, because the mean of its divisors is an integer number (30020760).

Almost surely, 2^870225533 is an apocalyptic number.

It is an amenable number.

870225533 is a deficient number, since it is larger than the sum of its proper divisors (90438787).

870225533 is a wasteful number, since it uses less digits than its factorization.

870225533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 870225533 is about 29499.5853021699. The cubic root of 870225533 is about 954.7227553354.

The spelling of 870225533 in words is "eight hundred seventy million, two hundred twenty-five thousand, five hundred thirty-three".