1025200215 has 48 divisors (see below), whose sum is σ = 2026297728. Its totient is φ = 475020288.

The previous prime is 1025200177. The next prime is 1025200217. The reversal of 1025200215 is 5120025201.

It is not a de Polignac number, because 1025200215 - 2⁷ = 1025200087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025200217) 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, 41599 + ... + 61488.

It is an arithmetic number, because the mean of its divisors is an integer number (42214536).

Almost surely, 2^1025200215 is an apocalyptic number.

1025200215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1025200215 is a deficient number, since it is larger than the sum of its proper divisors (1001097513).

1025200215 is a wasteful number, since it uses less digits than its factorization.

1025200215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103128 (or 103125 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1025200215 is about 32018.7478674604. The cubic root of 1025200215 is about 1008.3304820325.

Adding to 1025200215 its reverse (5120025201), we get a palindrome (6145225416).

The spelling of 1025200215 in words is "one billion, twenty-five million, two hundred thousand, two hundred fifteen".