25035210139 has 2 divisors, whose sum is σ = 25035210140. Its totient is φ = 25035210138.

The previous prime is 25035210091. The next prime is 25035210149. The reversal of 25035210139 is 93101253052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25035210139 - 2¹¹ = 25035208091 is a prime.

It is a super-3 number, since 3×25035210139³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25035210139.

It is not a weakly prime, because it can be changed into another prime (25035210149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12517605069 + 12517605070.

It is an arithmetic number, because the mean of its divisors is an integer number (12517605070).

Almost surely, 2^25035210139 is an apocalyptic number.

25035210139 is a deficient number, since it is larger than the sum of its proper divisors (1).

25035210139 is an equidigital number, since it uses as much as digits as its factorization.

25035210139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

The spelling of 25035210139 in words is "twenty-five billion, thirty-five million, two hundred ten thousand, one hundred thirty-nine".