823061425 has 6 divisors (see below), whose sum is σ = 1020596198. Its totient is φ = 658449120.

The previous prime is 823061381. The next prime is 823061461. The reversal of 823061425 is 524160328.

It can be written as a sum of positive squares in 3 ways, for example, as 2704 + 823058721 = 52^2 + 28689^2 .

It is not a de Polignac number, because 823061425 - 2¹³ = 823053233 is a prime.

It is a Duffinian 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, 16461204 + ... + 16461253.

Almost surely, 2^823061425 is an apocalyptic number.

It is an amenable number.

823061425 is a deficient number, since it is larger than the sum of its proper divisors (197534773).

823061425 is a wasteful number, since it uses less digits than its factorization.

823061425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32922467 (or 32922462 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 823061425 is about 28689.0471260375. The cubic root of 823061425 is about 937.1535383481.

The spelling of 823061425 in words is "eight hundred twenty-three million, sixty-one thousand, four hundred twenty-five".