30525049901 has 2 divisors, whose sum is σ = 30525049902. Its totient is φ = 30525049900.

The previous prime is 30525049889. The next prime is 30525049927. The reversal of 30525049901 is 10994052503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29765220676 + 759829225 = 172526^2 + 27565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30525049901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30525049981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15262524950 + 15262524951.

It is an arithmetic number, because the mean of its divisors is an integer number (15262524951).

Almost surely, 2^30525049901 is an apocalyptic number.

It is an amenable number.

30525049901 is a deficient number, since it is larger than the sum of its proper divisors (1).

30525049901 is an equidigital number, since it uses as much as digits as its factorization.

30525049901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 30525049901 in words is "thirty billion, five hundred twenty-five million, forty-nine thousand, nine hundred one".