2061257464425 has 24 divisors (see below), whose sum is σ = 3407994932896. Its totient is φ = 1099321424640.

The previous prime is 2061257464421. The next prime is 2061257464439. The reversal of 2061257464425 is 5244647521602.

It is not a de Polignac number, because 2061257464425 - 2² = 2061257464421 is a prime.

It is a super-4 number, since 4×2061257464425⁴ (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2061257464421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6538017 + ... + 6846033.

Almost surely, 2^{2061257464425} is an apocalyptic number.

2061257464425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2061257464425 is a deficient number, since it is larger than the sum of its proper divisors (1346737468471).

2061257464425 is a wasteful number, since it uses less digits than its factorization.

2061257464425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397257 (or 397252 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 2061257464425 in words is "two trillion, sixty-one billion, two hundred fifty-seven million, four hundred sixty-four thousand, four hundred twenty-five".