70251425 has 12 divisors (see below), whose sum is σ = 89922816. Its totient is φ = 54387600.

The previous prime is 70251397. The next prime is 70251437. The reversal of 70251425 is 52415207.

It is not a de Polignac number, because 70251425 - 2¹⁶ = 70185889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70251394 and 70251403.

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, 44549 + ... + 46098.

It is an arithmetic number, because the mean of its divisors is an integer number (7493568).

Almost surely, 2^70251425 is an apocalyptic number.

It is an amenable number.

70251425 is a deficient number, since it is larger than the sum of its proper divisors (19671391).

70251425 is a wasteful number, since it uses less digits than its factorization.

70251425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90688 (or 90683 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 70251425 is about 8381.6123150621. The cubic root of 70251425 is about 412.6213661858.

The spelling of 70251425 in words is "seventy million, two hundred fifty-one thousand, four hundred twenty-five".