40003125 has 48 divisors (see below), whose sum is σ = 70870464. Its totient is φ = 20000000.

The previous prime is 40003111. The next prime is 40003133. The reversal of 40003125 is 52130004.

It is not a de Polignac number, because 40003125 - 2¹⁴ = 39986741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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, 159250 + ... + 159500.

It is an arithmetic number, because the mean of its divisors is an integer number (1476468).

Almost surely, 2^40003125 is an apocalyptic number.

It is an amenable number.

40003125 is a deficient number, since it is larger than the sum of its proper divisors (30867339).

40003125 is an equidigital number, since it uses as much as digits as its factorization.

40003125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 40003125 is about 6324.8023684539. The cubic root of 40003125 is about 342.0040952281.

Adding to 40003125 its reverse (52130004), we get a palindrome (92133129).

The spelling of 40003125 in words is "forty million, three thousand, one hundred twenty-five".