102251302425 has 48 divisors (see below), whose sum is σ = 187939002880. Its totient is φ = 54505120320.

The previous prime is 102251302397. The next prime is 102251302477. The reversal of 102251302425 is 524203152201.

102251302425 is a `hidden beast` number, since 1 + 0 + 225 + 13 + 0 + 2 + 425 = 666.

It is not a de Polignac number, because 102251302425 - 2¹⁵ = 102251269657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1265592 + ... + 1343958.

Almost surely, 2^102251302425 is an apocalyptic number.

102251302425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102251302425 is a deficient number, since it is larger than the sum of its proper divisors (85687700455).

102251302425 is a wasteful number, since it uses less digits than its factorization.

102251302425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80319 (or 80308 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 102251302425 its reverse (524203152201), we get a palindrome (626454454626).

The spelling of 102251302425 in words is "one hundred two billion, two hundred fifty-one million, three hundred two thousand, four hundred twenty-five".