400825373 has 8 divisors (see below), whose sum is σ = 435619800. Its totient is φ = 366596928.

The previous prime is 400825367. The next prime is 400825429. The reversal of 400825373 is 373528004.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1545049 + 399280324 = 1243^2 + 19982^2 .

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 400825373 - 2²² = 396631069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400825363) 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, 140018 + ... + 142851.

It is an arithmetic number, because the mean of its divisors is an integer number (54452475).

Almost surely, 2^400825373 is an apocalyptic number.

It is an amenable number.

400825373 is a deficient number, since it is larger than the sum of its proper divisors (34794427).

400825373 is a wasteful number, since it uses less digits than its factorization.

400825373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282991.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 400825373 is about 20020.6236915836. The cubic root of 400825373 is about 737.3127349111.

The spelling of 400825373 in words is "four hundred million, eight hundred twenty-five thousand, three hundred seventy-three".