1768427525 has 6 divisors (see below), whose sum is σ = 2192850162. Its totient is φ = 1414742000.

The previous prime is 1768427491. The next prime is 1768427579. The reversal of 1768427525 is 5257248671.

It can be written as a sum of positive squares in 3 ways, for example, as 466516801 + 1301910724 = 21599^2 + 36082^2 .

It is not a de Polignac number, because 1768427525 - 2³⁰ = 694685701 is a prime.

It is a super-2 number, since 2×1768427525² = 6254671822355251250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1768427525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35368526 + ... + 35368575.

It is an arithmetic number, because the mean of its divisors is an integer number (365475027).

Almost surely, 2^1768427525 is an apocalyptic number.

It is an amenable number.

1768427525 is a deficient number, since it is larger than the sum of its proper divisors (424422637).

1768427525 is an equidigital number, since it uses as much as digits as its factorization.

1768427525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70737111 (or 70737106 counting only the distinct ones).

The product of its digits is 940800, while the sum is 47.

The square root of 1768427525 is about 42052.6755985871. The cubic root of 1768427525 is about 1209.2861771104.

The spelling of 1768427525 in words is "one billion, seven hundred sixty-eight million, four hundred twenty-seven thousand, five hundred twenty-five".