30425632261 has 2 divisors, whose sum is σ = 30425632262. Its totient is φ = 30425632260.

The previous prime is 30425632229. The next prime is 30425632283. The reversal of 30425632261 is 16223652403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28905100225 + 1520532036 = 170015^2 + 38994^2 .

It is a cyclic number.

It is not a de Polignac number, because 30425632261 - 2⁵ = 30425632229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30425632661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15212816130 + 15212816131.

It is an arithmetic number, because the mean of its divisors is an integer number (15212816131).

Almost surely, 2^30425632261 is an apocalyptic number.

It is an amenable number.

30425632261 is a deficient number, since it is larger than the sum of its proper divisors (1).

30425632261 is an equidigital number, since it uses as much as digits as its factorization.

30425632261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 30425632261 in words is "thirty billion, four hundred twenty-five million, six hundred thirty-two thousand, two hundred sixty-one".