2102351025 has 48 divisors (see below), whose sum is σ = 3623260160. Its totient is φ = 1074427200.

The previous prime is 2102351023. The next prime is 2102351033. The reversal of 2102351025 is 5201532012.

It is not a de Polignac number, because 2102351025 - 2¹ = 2102351023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102350992 and 2102351010.

It is not an unprimeable number, because it can be changed into a prime (2102351023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 235086 + ... + 243864.

Almost surely, 2^2102351025 is an apocalyptic number.

2102351025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2102351025 is a deficient number, since it is larger than the sum of its proper divisors (1520909135).

2102351025 is a wasteful number, since it uses less digits than its factorization.

2102351025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8926 (or 8921 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2102351025 is about 45851.4015598215. The cubic root of 2102351025 is about 1281.0568714654.

Adding to 2102351025 its reverse (5201532012), we get a palindrome (7303883037).

The spelling of 2102351025 in words is "two billion, one hundred two million, three hundred fifty-one thousand, twenty-five".