2525656461 has 4 divisors (see below), whose sum is σ = 3367541952. Its totient is φ = 1683770972.

The previous prime is 2525656451. The next prime is 2525656489. The reversal of 2525656461 is 1646565252.

It is a happy number.

2525656461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2525656461 - 2¹³ = 2525648269 is a prime.

It is a super-3 number, since 3×2525656461³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525656411) 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, 420942741 + ... + 420942746.

It is an arithmetic number, because the mean of its divisors is an integer number (841885488).

Almost surely, 2^2525656461 is an apocalyptic number.

It is an amenable number.

2525656461 is a deficient number, since it is larger than the sum of its proper divisors (841885491).

2525656461 is an equidigital number, since it uses as much as digits as its factorization.

2525656461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841885490.

The product of its digits is 432000, while the sum is 42.

The square root of 2525656461 is about 50255.9097121921. The cubic root of 2525656461 is about 1361.8358390945.

The spelling of 2525656461 in words is "two billion, five hundred twenty-five million, six hundred fifty-six thousand, four hundred sixty-one".