70271225 has 6 divisors (see below), whose sum is σ = 87136350. Its totient is φ = 56216960.

The previous prime is 70271221. The next prime is 70271237. The reversal of 70271225 is 52217207.

It can be written as a sum of positive squares in 3 ways, for example, as 15155449 + 55115776 = 3893^2 + 7424^2 .

It is not a de Polignac number, because 70271225 - 2² = 70271221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70271194 and 70271203.

It is not an unprimeable number, because it can be changed into a prime (70271221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1405400 + ... + 1405449.

It is an arithmetic number, because the mean of its divisors is an integer number (14522725).

Almost surely, 2^70271225 is an apocalyptic number.

It is an amenable number.

70271225 is a deficient number, since it is larger than the sum of its proper divisors (16865125).

70271225 is a wasteful number, since it uses less digits than its factorization.

70271225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810859 (or 2810854 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 70271225 is about 8382.7933888412. The cubic root of 70271225 is about 412.6601276089.

The spelling of 70271225 in words is "seventy million, two hundred seventy-one thousand, two hundred twenty-five".