238731425 has 24 divisors (see below), whose sum is σ = 315979776. Its totient is φ = 178295040.

The previous prime is 238731401. The next prime is 238731431. The reversal of 238731425 is 524137832.

It is not a de Polignac number, because 238731425 - 2¹⁴ = 238715041 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 51764 + ... + 56186.

It is an arithmetic number, because the mean of its divisors is an integer number (13165824).

Almost surely, 2^238731425 is an apocalyptic number.

238731425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

238731425 is a deficient number, since it is larger than the sum of its proper divisors (77248351).

238731425 is a wasteful number, since it uses less digits than its factorization.

238731425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4577 (or 4572 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 238731425 is about 15450.9360557864. The cubic root of 238731425 is about 620.3496337009.

The spelling of 238731425 in words is "two hundred thirty-eight million, seven hundred thirty-one thousand, four hundred twenty-five".