30052780501 has 2 divisors, whose sum is σ = 30052780502. Its totient is φ = 30052780500.

The previous prime is 30052780481. The next prime is 30052780553. The reversal of 30052780501 is 10508725003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24897684100 + 5155096401 = 157790^2 + 71799^2 .

It is a cyclic number.

It is not a de Polignac number, because 30052780501 - 2¹⁵ = 30052747733 is a prime.

It is a super-2 number, since 2×30052780501² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30052780201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15026390250 + 15026390251.

It is an arithmetic number, because the mean of its divisors is an integer number (15026390251).

Almost surely, 2^30052780501 is an apocalyptic number.

It is an amenable number.

30052780501 is a deficient number, since it is larger than the sum of its proper divisors (1).

30052780501 is an equidigital number, since it uses as much as digits as its factorization.

30052780501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 30052780501 in words is "thirty billion, fifty-two million, seven hundred eighty thousand, five hundred one".