57403225 has 12 divisors (see below), whose sum is σ = 77651280. Its totient is φ = 41747600.

The previous prime is 57403219. The next prime is 57403231. The reversal of 57403225 is 52230475.

It is an interprime number because it is at equal distance from previous prime (57403219) and next prime (57403231).

It is not a de Polignac number, because 57403225 - 2⁷ = 57403097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57403193 and 57403202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104095 + ... + 104644.

It is an arithmetic number, because the mean of its divisors is an integer number (6470940).

Almost surely, 2^57403225 is an apocalyptic number.

57403225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57403225 is a deficient number, since it is larger than the sum of its proper divisors (20248055).

57403225 is a wasteful number, since it uses less digits than its factorization.

57403225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208760 (or 208755 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 57403225 is about 7576.4916023183. The cubic root of 57403225 is about 385.7554739150.

The spelling of 57403225 in words is "fifty-seven million, four hundred three thousand, two hundred twenty-five".