1025630117 has 4 divisors (see below), whose sum is σ = 1026787296. Its totient is φ = 1024472940.

The previous prime is 1025630093. The next prime is 1025630119. The reversal of 1025630117 is 7110365201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7110365201 = 61861 ⋅114941.

It is a cyclic number.

It is not a de Polignac number, because 1025630117 - 2¹⁰ = 1025629093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025630119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577259 + ... + 579032.

It is an arithmetic number, because the mean of its divisors is an integer number (256696824).

Almost surely, 2^1025630117 is an apocalyptic number.

It is an amenable number.

1025630117 is a deficient number, since it is larger than the sum of its proper divisors (1157179).

1025630117 is an equidigital number, since it uses as much as digits as its factorization.

1025630117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157178.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1025630117 is about 32025.4604494611. The cubic root of 1025630117 is about 1008.4714049817.

Adding to 1025630117 its reverse (7110365201), we get a palindrome (8135995318).

The spelling of 1025630117 in words is "one billion, twenty-five million, six hundred thirty thousand, one hundred seventeen".