68211825 has 48 divisors (see below), whose sum is σ = 124545600. Its totient is φ = 32665600.

The previous prime is 68211809. The next prime is 68211883. The reversal of 68211825 is 52811286.

It is not a de Polignac number, because 68211825 - 2⁴ = 68211809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72961 + ... + 73889.

It is an arithmetic number, because the mean of its divisors is an integer number (2594700).

Almost surely, 2^68211825 is an apocalyptic number.

It is an amenable number.

68211825 is a deficient number, since it is larger than the sum of its proper divisors (56333775).

68211825 is a wasteful number, since it uses less digits than its factorization.

68211825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 1037 counting only the distinct ones).

The product of its digits is 7680, while the sum is 33.

The square root of 68211825 is about 8259.0450416498. The cubic root of 68211825 is about 408.5888927318.

It can be divided in two parts, 6821 and 1825, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 68211825 in words is "sixty-eight million, two hundred eleven thousand, eight hundred twenty-five".