785031225 has 24 divisors (see below), whose sum is σ = 1415912352. Its totient is φ = 380620800.

The previous prime is 785031139. The next prime is 785031329. The reversal of 785031225 is 522130587.

It is not a de Polignac number, because 785031225 - 2⁷ = 785031097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 474952 + ... + 476601.

It is an arithmetic number, because the mean of its divisors is an integer number (58996348).

Almost surely, 2^785031225 is an apocalyptic number.

785031225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

785031225 is a deficient number, since it is larger than the sum of its proper divisors (630881127).

785031225 is a wasteful number, since it uses less digits than its factorization.

785031225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951577 (or 951572 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 785031225 is about 28018.4086807228. The cubic root of 785031225 is about 922.4913667570.

The spelling of 785031225 in words is "seven hundred eighty-five million, thirty-one thousand, two hundred twenty-five".