2525002691 has 2 divisors, whose sum is σ = 2525002692. Its totient is φ = 2525002690.

The previous prime is 2525002657. The next prime is 2525002703. The reversal of 2525002691 is 1962005252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2525002691 is a prime.

It is not a weakly prime, because it can be changed into another prime (2525001691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262501345 + 1262501346.

It is an arithmetic number, because the mean of its divisors is an integer number (1262501346).

Almost surely, 2^2525002691 is an apocalyptic number.

2525002691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525002691 is an equidigital number, since it uses as much as digits as its factorization.

2525002691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 2525002691 is about 50249.4048820481. The cubic root of 2525002691 is about 1361.7183245312.

The spelling of 2525002691 in words is "two billion, five hundred twenty-five million, two thousand, six hundred ninety-one".