525471400100749 has 2 divisors, whose sum is σ = 525471400100750. Its totient is φ = 525471400100748.

The previous prime is 525471400100719. The next prime is 525471400100869. The reversal of 525471400100749 is 947001004174525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370094103108900 + 155377296991849 = 19237830^2 + 12465043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525471400100749 is a prime.

It is a super-2 number, since 2×525471400100749² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525471400100719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262735700050374 + 262735700050375.

It is an arithmetic number, because the mean of its divisors is an integer number (262735700050375).

Almost surely, 2^{525471400100749} is an apocalyptic number.

It is an amenable number.

525471400100749 is a deficient number, since it is larger than the sum of its proper divisors (1).

525471400100749 is an equidigital number, since it uses as much as digits as its factorization.

525471400100749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 525471400100749 in words is "five hundred twenty-five trillion, four hundred seventy-one billion, four hundred million, one hundred thousand, seven hundred forty-nine".