351240400525 has 12 divisors (see below), whose sum is σ = 497757824992. Its totient is φ = 240850560240.

The previous prime is 351240400513. The next prime is 351240400559. The reversal of 351240400525 is 525004042153.

It is not a de Polignac number, because 351240400525 - 2¹⁵ = 351240367757 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 11 ways as a sum of consecutive naturals, for example, 1003543827 + ... + 1003544176.

Almost surely, 2^351240400525 is an apocalyptic number.

351240400525 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

351240400525 is a deficient number, since it is larger than the sum of its proper divisors (146517424467).

351240400525 is a wasteful number, since it uses less digits than its factorization.

351240400525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007088020 (or 2007088015 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 351240400525 its reverse (525004042153), we get a palindrome (876244442678).

The spelling of 351240400525 in words is "three hundred fifty-one billion, two hundred forty million, four hundred thousand, five hundred twenty-five".