7512661501 has 2 divisors, whose sum is σ = 7512661502. Its totient is φ = 7512661500.

The previous prime is 7512661463. The next prime is 7512661517. The reversal of 7512661501 is 1051662157.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5837724025 + 1674937476 = 76405^2 + 40926^2 .

It is a cyclic number.

It is not a de Polignac number, because 7512661501 - 2⁹ = 7512660989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7512661531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3756330750 + 3756330751.

It is an arithmetic number, because the mean of its divisors is an integer number (3756330751).

Almost surely, 2^7512661501 is an apocalyptic number.

It is an amenable number.

7512661501 is a deficient number, since it is larger than the sum of its proper divisors (1).

7512661501 is an equidigital number, since it uses as much as digits as its factorization.

7512661501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 7512661501 is about 86675.6107621977. The cubic root of 7512661501 is about 1958.5347146524.

The spelling of 7512661501 in words is "seven billion, five hundred twelve million, six hundred sixty-one thousand, five hundred one".