231552007 has 4 divisors (see below), whose sum is σ = 233085616. Its totient is φ = 230018400.

The previous prime is 231552001. The next prime is 231552047. The reversal of 231552007 is 700255132.

231552007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231552007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231552001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766578 + ... + 766879.

It is an arithmetic number, because the mean of its divisors is an integer number (58271404).

Almost surely, 2^231552007 is an apocalyptic number.

231552007 is a deficient number, since it is larger than the sum of its proper divisors (1533609).

231552007 is a wasteful number, since it uses less digits than its factorization.

231552007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533608.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 231552007 is about 15216.8330147899. The cubic root of 231552007 is about 614.0675998174.

The spelling of 231552007 in words is "two hundred thirty-one million, five hundred fifty-two thousand, seven".