1030135025251 has 4 divisors (see below), whose sum is σ = 1030139088952. Its totient is φ = 1030130961552.

The previous prime is 1030135025237. The next prime is 1030135025261. The reversal of 1030135025251 is 1525205310301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1030135025251 - 2⁵ = 1030135025219 is a prime.

It is a super-2 number, since 2×1030135025251² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030135025261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1624365 + ... + 2167678.

It is an arithmetic number, because the mean of its divisors is an integer number (257534772238).

Almost surely, 2^{1030135025251} is an apocalyptic number.

1030135025251 is a deficient number, since it is larger than the sum of its proper divisors (4063701).

1030135025251 is an equidigital number, since it uses as much as digits as its factorization.

1030135025251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063700.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 1030135025251 in words is "one trillion, thirty billion, one hundred thirty-five million, twenty-five thousand, two hundred fifty-one".