1025311201 has 4 divisors (see below), whose sum is σ = 1037664432. Its totient is φ = 1012957972.

The previous prime is 1025311187. The next prime is 1025311219. The reversal of 1025311201 is 1021135201.

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.

It is a cyclic number.

It is not a de Polignac number, because 1025311201 - 2⁵ = 1025311169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025311271) 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, 6176491 + ... + 6176656.

It is an arithmetic number, because the mean of its divisors is an integer number (259416108).

Almost surely, 2^1025311201 is an apocalyptic number.

It is an amenable number.

1025311201 is a deficient number, since it is larger than the sum of its proper divisors (12353231).

1025311201 is an equidigital number, since it uses as much as digits as its factorization.

1025311201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12353230.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1025311201 is about 32020.4809614097. The cubic root of 1025311201 is about 1008.3668672923.

Adding to 1025311201 its reverse (1021135201), we get a palindrome (2046446402).

The spelling of 1025311201 in words is "one billion, twenty-five million, three hundred eleven thousand, two hundred one".