251124342 has 16 divisors (see below), whose sum is σ = 573998592. Its totient is φ = 71749800.

The previous prime is 251124329. The next prime is 251124347. The reversal of 251124342 is 243421152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251124347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2989534 + ... + 2989617.

It is an arithmetic number, because the mean of its divisors is an integer number (35874912).

Almost surely, 2^251124342 is an apocalyptic number.

251124342 is an abundant number, since it is smaller than the sum of its proper divisors (322874250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

251124342 is a wasteful number, since it uses less digits than its factorization.

251124342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5979163.

The product of its digits is 1920, while the sum is 24.

The square root of 251124342 is about 15846.9032306000. The cubic root of 251124342 is about 630.9035008226.

Adding to 251124342 its reverse (243421152), we get a palindrome (494545494).

The spelling of 251124342 in words is "two hundred fifty-one million, one hundred twenty-four thousand, three hundred forty-two".