70111025 has 24 divisors (see below), whose sum is σ = 90374424. Its totient is φ = 53913600.

The previous prime is 70110991. The next prime is 70111031. The reversal of 70111025 is 52011107.

It can be written as a sum of positive squares in 12 ways, for example, as 53333809 + 16777216 = 7303^2 + 4096^2 .

It is not a de Polignac number, because 70111025 - 2¹⁸ = 69848881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70110994 and 70111012.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74357 + ... + 75293.

It is an arithmetic number, because the mean of its divisors is an integer number (3765601).

Almost surely, 2^70111025 is an apocalyptic number.

It is an amenable number.

70111025 is a deficient number, since it is larger than the sum of its proper divisors (20263399).

70111025 is a wasteful number, since it uses less digits than its factorization.

70111025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 70111025 is about 8373.2326493416. The cubic root of 70111025 is about 412.3463033155.

It can be divided in two parts, 7011102 and 5, that added together give a palindrome (7011107).

The spelling of 70111025 in words is "seventy million, one hundred eleven thousand, twenty-five".