725478351 has 32 divisors (see below), whose sum is σ = 1116433920. Its totient is φ = 415476864.

The previous prime is 725478343. The next prime is 725478359. The reversal of 725478351 is 153874527.

It is an interprime number because it is at equal distance from previous prime (725478343) and next prime (725478359).

It is not a de Polignac number, because 725478351 - 2³ = 725478343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725478359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22260 + ... + 44118.

It is an arithmetic number, because the mean of its divisors is an integer number (34888560).

Almost surely, 2^725478351 is an apocalyptic number.

725478351 is a deficient number, since it is larger than the sum of its proper divisors (390955569).

725478351 is a wasteful number, since it uses less digits than its factorization.

725478351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21935.

The product of its digits is 235200, while the sum is 42.

The square root of 725478351 is about 26934.7053260287. The cubic root of 725478351 is about 898.5484217878.

The spelling of 725478351 in words is "seven hundred twenty-five million, four hundred seventy-eight thousand, three hundred fifty-one".