825514078 has 4 divisors (see below), whose sum is σ = 1238271120. Its totient is φ = 412757038.

The previous prime is 825514073. The next prime is 825514139. The reversal of 825514078 is 870415528.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 825514078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825514073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206378518 + ... + 206378521.

It is an arithmetic number, because the mean of its divisors is an integer number (309567780).

Almost surely, 2^825514078 is an apocalyptic number.

825514078 is a deficient number, since it is larger than the sum of its proper divisors (412757042).

825514078 is a wasteful number, since it uses less digits than its factorization.

825514078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412757041.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 825514078 is about 28731.7607883680. The cubic root of 825514078 is about 938.0834944915.

The spelling of 825514078 in words is "eight hundred twenty-five million, five hundred fourteen thousand, seventy-eight".