70251325 has 12 divisors (see below), whose sum is σ = 87220980. Its totient is φ = 56130560.

The previous prime is 70251317. The next prime is 70251343. The reversal of 70251325 is 52315207.

It can be written as a sum of positive squares in 6 ways, for example, as 127449 + 70123876 = 357^2 + 8374^2 .

It is not a de Polignac number, because 70251325 - 2³ = 70251317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 70251325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29271 + ... + 31579.

It is an arithmetic number, because the mean of its divisors is an integer number (7268415).

Almost surely, 2^70251325 is an apocalyptic number.

It is an amenable number.

70251325 is a deficient number, since it is larger than the sum of its proper divisors (16969655).

70251325 is a wasteful number, since it uses less digits than its factorization.

70251325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536 (or 3531 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 70251325 is about 8381.6063496206. The cubic root of 70251325 is about 412.6211704025.

The spelling of 70251325 in words is "seventy million, two hundred fifty-one thousand, three hundred twenty-five".