1025115213 has 8 divisors (see below), whose sum is σ = 1370068576. Its totient is φ = 681786000.

The previous prime is 1025115199. The next prime is 1025115263. The reversal of 1025115213 is 3125115201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1025115213 - 2⁶ = 1025115149 is a prime.

It is a super-3 number, since 3×1025115213³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025115213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025115263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404563 + ... + 407088.

It is an arithmetic number, because the mean of its divisors is an integer number (171258572).

Almost surely, 2^1025115213 is an apocalyptic number.

It is an amenable number.

1025115213 is a deficient number, since it is larger than the sum of its proper divisors (344953363).

1025115213 is an equidigital number, since it uses as much as digits as its factorization.

1025115213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812075.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1025115213 is about 32017.4204613676. The cubic root of 1025115213 is about 1008.3026135000.

The spelling of 1025115213 in words is "one billion, twenty-five million, one hundred fifteen thousand, two hundred thirteen".