2525278029 has 4 divisors (see below), whose sum is σ = 3367037376. Its totient is φ = 1683518684.

The previous prime is 2525278001. The next prime is 2525278069. The reversal of 2525278029 is 9208725252.

2525278029 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 2525278029 - 2²³ = 2516889421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525278069) 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, 420879669 + ... + 420879674.

It is an arithmetic number, because the mean of its divisors is an integer number (841759344).

Almost surely, 2^2525278029 is an apocalyptic number.

It is an amenable number.

2525278029 is a deficient number, since it is larger than the sum of its proper divisors (841759347).

2525278029 is an equidigital number, since it uses as much as digits as its factorization.

2525278029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841759346.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 2525278029 is about 50252.1445214033. The cubic root of 2525278029 is about 1361.7678187586.

The spelling of 2525278029 in words is "two billion, five hundred twenty-five million, two hundred seventy-eight thousand, twenty-nine".