525146019997 has 2 divisors, whose sum is σ = 525146019998. Its totient is φ = 525146019996.

The previous prime is 525146019989. The next prime is 525146020043. The reversal of 525146019997 is 799910641525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 494798289561 + 30347730436 = 703419^2 + 174206^2 .

It is a cyclic number.

It is not a de Polignac number, because 525146019997 - 2³ = 525146019989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525146019917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262573009998 + 262573009999.

It is an arithmetic number, because the mean of its divisors is an integer number (262573009999).

Almost surely, 2^525146019997 is an apocalyptic number.

It is an amenable number.

525146019997 is a deficient number, since it is larger than the sum of its proper divisors (1).

525146019997 is an equidigital number, since it uses as much as digits as its factorization.

525146019997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6123600, while the sum is 58.

The spelling of 525146019997 in words is "five hundred twenty-five billion, one hundred forty-six million, nineteen thousand, nine hundred ninety-seven".