70211825 has 12 divisors (see below), whose sum is σ = 87226188. Its totient is φ = 56064000.

The previous prime is 70211797. The next prime is 70211831. The reversal of 70211825 is 52811207.

It can be written as a sum of positive squares in 6 ways, for example, as 7612081 + 62599744 = 2759^2 + 7912^2 .

It is not a de Polignac number, because 70211825 - 2¹⁰ = 70210801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70211794 and 70211803.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12689 + ... + 17361.

It is an arithmetic number, because the mean of its divisors is an integer number (7268849).

Almost surely, 2^70211825 is an apocalyptic number.

It is an amenable number.

70211825 is a deficient number, since it is larger than the sum of its proper divisors (17014363).

70211825 is a wasteful number, since it uses less digits than its factorization.

70211825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5284 (or 5279 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 70211825 is about 8379.2496680789. The cubic root of 70211825 is about 412.5438214847.

The spelling of 70211825 in words is "seventy million, two hundred eleven thousand, eight hundred twenty-five".