351243025 has 36 divisors (see below), whose sum is σ = 533351280. Its totient is φ = 228160800.

The previous prime is 351243007. The next prime is 351243029. The reversal of 351243025 is 520342153.

It is not a de Polignac number, because 351243025 - 2⁵ = 351242993 is a prime.

It is a super-2 number, since 2×351243025² = 246743325222301250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (351243029) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15730 + ... + 30820.

Almost surely, 2^351243025 is an apocalyptic number.

351243025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

351243025 is a deficient number, since it is larger than the sum of its proper divisors (182108255).

351243025 is a wasteful number, since it uses less digits than its factorization.

351243025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15134 (or 15122 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 351243025 is about 18741.4787303457. The cubic root of 351243025 is about 705.5631702138.

Adding to 351243025 its reverse (520342153), we get a palindrome (871585178).

The spelling of 351243025 in words is "three hundred fifty-one million, two hundred forty-three thousand, twenty-five".