234651257 has 4 divisors (see below), whose sum is σ = 235122000. Its totient is φ = 234180516.

The previous prime is 234651247. The next prime is 234651281. The reversal of 234651257 is 752156432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234651257 - 2¹⁶ = 234585721 is a prime.

It is a super-2 number, since 2×234651257² = 110122424823360098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234651227) 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, 234623 + ... + 235620.

It is an arithmetic number, because the mean of its divisors is an integer number (58780500).

Almost surely, 2^234651257 is an apocalyptic number.

It is an amenable number.

234651257 is a deficient number, since it is larger than the sum of its proper divisors (470743).

234651257 is an equidigital number, since it uses as much as digits as its factorization.

234651257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470742.

The product of its digits is 50400, while the sum is 35.

The square root of 234651257 is about 15318.3307510969. The cubic root of 234651257 is about 616.7951664365.

The spelling of 234651257 in words is "two hundred thirty-four million, six hundred fifty-one thousand, two hundred fifty-seven".