231625701 has 6 divisors (see below), whose sum is σ = 334570470. Its totient is φ = 154417128.

The previous prime is 231625699. The next prime is 231625733. The reversal of 231625701 is 107526132.

It is a happy number.

231625701 is a `hidden beast` number, since 2 + 31 + 62 + 570 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 120428676 + 111197025 = 10974^2 + 10545^2 .

It is not a de Polignac number, because 231625701 - 2¹ = 231625699 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231625201) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 12868086 + ... + 12868103.

It is an arithmetic number, because the mean of its divisors is an integer number (55761745).

Almost surely, 2^231625701 is an apocalyptic number.

It is an amenable number.

231625701 is a deficient number, since it is larger than the sum of its proper divisors (102944769).

231625701 is a wasteful number, since it uses less digits than its factorization.

231625701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25736195 (or 25736192 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 231625701 is about 15219.2542852796. The cubic root of 231625701 is about 614.1327375206.

The spelling of 231625701 in words is "two hundred thirty-one million, six hundred twenty-five thousand, seven hundred one".