825825145 has 8 divisors (see below), whose sum is σ = 991198656. Its totient is φ = 660521136.

The previous prime is 825825107. The next prime is 825825149. The reversal of 825825145 is 541528528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 825825145 - 2¹⁹ = 825300857 is a prime.

It is a super-2 number, since 2×825825145² = 1363974340228542050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 825825098 and 825825107.

It is not an unprimeable number, because it can be changed into a prime (825825149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13884 + ... + 42946.

It is an arithmetic number, because the mean of its divisors is an integer number (123899832).

Almost surely, 2^825825145 is an apocalyptic number.

It is an amenable number.

825825145 is a deficient number, since it is larger than the sum of its proper divisors (165373511).

825825145 is a wasteful number, since it uses less digits than its factorization.

825825145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34751.

The product of its digits is 128000, while the sum is 40.

The square root of 825825145 is about 28737.1735736137. The cubic root of 825825145 is about 938.2013080178.

The spelling of 825825145 in words is "eight hundred twenty-five million, eight hundred twenty-five thousand, one hundred forty-five".