70249325 has 6 divisors (see below), whose sum is σ = 87109194. Its totient is φ = 56199440.

The previous prime is 70249303. The next prime is 70249343. The reversal of 70249325 is 52394207.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 15888196 + 54361129 = 3986^2 + 7373^2 .

It is not a de Polignac number, because 70249325 - 2⁶ = 70249261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70249291 and 70249300.

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 5 ways as a sum of consecutive naturals, for example, 1404962 + ... + 1405011.

It is an arithmetic number, because the mean of its divisors is an integer number (14518199).

Almost surely, 2^70249325 is an apocalyptic number.

It is an amenable number.

70249325 is a deficient number, since it is larger than the sum of its proper divisors (16859869).

70249325 is a wasteful number, since it uses less digits than its factorization.

70249325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809983 (or 2809978 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 70249325 is about 8381.4870398993. The cubic root of 70249325 is about 412.6172546986.

The spelling of 70249325 in words is "seventy million, two hundred forty-nine thousand, three hundred twenty-five".