1025603351 has 4 divisors (see below), whose sum is σ = 1030917552. Its totient is φ = 1020289152.

The previous prime is 1025603347. The next prime is 1025603399. The reversal of 1025603351 is 1533065201.

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 1025603351 - 2² = 1025603347 is a prime.

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 1025603351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025603321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2656811 + ... + 2657196.

It is an arithmetic number, because the mean of its divisors is an integer number (257729388).

Almost surely, 2^1025603351 is an apocalyptic number.

1025603351 is a deficient number, since it is larger than the sum of its proper divisors (5314201).

1025603351 is an equidigital number, since it uses as much as digits as its factorization.

1025603351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314200.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1025603351 is about 32025.0425604713. The cubic root of 1025603351 is about 1008.4626321697.

Adding to 1025603351 its reverse (1533065201), we get a palindrome (2558668552).

The spelling of 1025603351 in words is "one billion, twenty-five million, six hundred three thousand, three hundred fifty-one".