2525807739 has 64 divisors (see below), whose sum is σ = 4307222528. Its totient is φ = 1280707200.

The previous prime is 2525807719. The next prime is 2525807749. The reversal of 2525807739 is 9377085252.

It is a happy number.

2525807739 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2525807739 - 2⁵ = 2525807707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2525807719) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1378554 + ... + 1380384.

It is an arithmetic number, because the mean of its divisors is an integer number (67300352).

Almost surely, 2^2525807739 is an apocalyptic number.

2525807739 is a deficient number, since it is larger than the sum of its proper divisors (1781414789).

2525807739 is a wasteful number, since it uses less digits than its factorization.

2525807739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The square root of 2525807739 is about 50257.4147663805. The cubic root of 2525807739 is about 1361.8630282883.

The spelling of 2525807739 in words is "two billion, five hundred twenty-five million, eight hundred seven thousand, seven hundred thirty-nine".