70287553925 has 6 divisors (see below), whose sum is σ = 87156566898. Its totient is φ = 56230043120.

The previous prime is 70287553891. The next prime is 70287553927. The reversal of 70287553925 is 52935578207.

It is a Cunningham number, because it is equal to 265118²+1.

It can be written as a sum of positive squares in 3 ways, for example, as 1 + 70287553924 = 1^2 + 265118^2 .

It is not a de Polignac number, because 70287553925 - 2²² = 70283359621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70287553927) 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, 1405751054 + ... + 1405751103.

It is an arithmetic number, because the mean of its divisors is an integer number (14526094483).

Almost surely, 2^70287553925 is an apocalyptic number.

It is an amenable number.

70287553925 is a deficient number, since it is larger than the sum of its proper divisors (16869012973).

70287553925 is a wasteful number, since it uses less digits than its factorization.

70287553925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811502167 (or 2811502162 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 53.

The spelling of 70287553925 in words is "seventy billion, two hundred eighty-seven million, five hundred fifty-three thousand, nine hundred twenty-five".