7512390961 has 2 divisors, whose sum is σ = 7512390962. Its totient is φ = 7512390960.

The previous prime is 7512390953. The next prime is 7512390971. The reversal of 7512390961 is 1690932157.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5824742400 + 1687648561 = 76320^2 + 41081^2 .

It is a cyclic number.

It is not a de Polignac number, because 7512390961 - 2³ = 7512390953 is a prime.

It is not a weakly prime, because it can be changed into another prime (7512390971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3756195480 + 3756195481.

It is an arithmetic number, because the mean of its divisors is an integer number (3756195481).

Almost surely, 2^7512390961 is an apocalyptic number.

It is an amenable number.

7512390961 is a deficient number, since it is larger than the sum of its proper divisors (1).

7512390961 is an equidigital number, since it uses as much as digits as its factorization.

7512390961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 7512390961 is about 86674.0501015154. The cubic root of 7512390961 is about 1958.5112046380.

The spelling of 7512390961 in words is "seven billion, five hundred twelve million, three hundred ninety thousand, nine hundred sixty-one".