25130528803 has 2 divisors, whose sum is σ = 25130528804. Its totient is φ = 25130528802.

The previous prime is 25130528729. The next prime is 25130528821. The reversal of 25130528803 is 30882503152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25130528803 - 2²¹ = 25128431651 is a prime.

It is a super-2 number, since 2×25130528803² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25130528873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12565264401 + 12565264402.

It is an arithmetic number, because the mean of its divisors is an integer number (12565264402).

Almost surely, 2^25130528803 is an apocalyptic number.

25130528803 is a deficient number, since it is larger than the sum of its proper divisors (1).

25130528803 is an equidigital number, since it uses as much as digits as its factorization.

25130528803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 25130528803 in words is "twenty-five billion, one hundred thirty million, five hundred twenty-eight thousand, eight hundred three".