3425263621 has 4 divisors (see below), whose sum is σ = 3688745452. Its totient is φ = 3161781792.

The previous prime is 3425263613. The next prime is 3425263637. The reversal of 3425263621 is 1263625243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1263625243 = 59 ⋅21417377.

It can be written as a sum of positive squares in 2 ways, for example, as 365956900 + 3059306721 = 19130^2 + 55311^2 .

It is not a de Polignac number, because 3425263621 - 2³ = 3425263613 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 (3425263021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131740896 + ... + 131740921.

It is an arithmetic number, because the mean of its divisors is an integer number (922186363).

Almost surely, 2^3425263621 is an apocalyptic number.

It is an amenable number.

3425263621 is a deficient number, since it is larger than the sum of its proper divisors (263481831).

3425263621 is a wasteful number, since it uses less digits than its factorization.

3425263621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263481830.

The product of its digits is 51840, while the sum is 34.

The square root of 3425263621 is about 58525.7517764616. The cubic root of 3425263621 is about 1507.4097986873.

Adding to 3425263621 its reverse (1263625243), we get a palindrome (4688888864).

The spelling of 3425263621 in words is "three billion, four hundred twenty-five million, two hundred sixty-three thousand, six hundred twenty-one".