947252251525 has 12 divisors (see below), whose sum is σ = 1187790466500. Its totient is φ = 749287172480.

The previous prime is 947252251457. The next prime is 947252251529. The reversal of 947252251525 is 525152252749.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 273882662244 + 673369589281 = 523338^2 + 820591^2 .

It is not a de Polignac number, because 947252251525 - 2⁷ = 947252251397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947252251529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212863450 + ... + 212867899.

It is an arithmetic number, because the mean of its divisors is an integer number (98982538875).

Almost surely, 2^947252251525 is an apocalyptic number.

It is an amenable number.

947252251525 is a deficient number, since it is larger than the sum of its proper divisors (240538214975).

947252251525 is a wasteful number, since it uses less digits than its factorization.

947252251525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425731448 (or 425731443 counting only the distinct ones).

The product of its digits is 2520000, while the sum is 49.

The spelling of 947252251525 in words is "nine hundred forty-seven billion, two hundred fifty-two million, two hundred fifty-one thousand, five hundred twenty-five".