345100025 has 12 divisors (see below), whose sum is σ = 428311872. Its totient is φ = 275829840.

The previous prime is 345100003. The next prime is 345100037. The reversal of 345100025 is 520001543.

It is not a de Polignac number, because 345100025 - 2¹⁸ = 344837881 is a prime.

It is a Duffinian 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, 24932 + ... + 36218.

It is an arithmetic number, because the mean of its divisors is an integer number (35692656).

Almost surely, 2^345100025 is an apocalyptic number.

It is an amenable number.

345100025 is a deficient number, since it is larger than the sum of its proper divisors (83211847).

345100025 is a wasteful number, since it uses less digits than its factorization.

345100025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12520 (or 12515 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 345100025 is about 18576.8680083592. The cubic root of 345100025 is about 701.4256827906.

Adding to 345100025 its reverse (520001543), we get a palindrome (865101568).

The spelling of 345100025 in words is "three hundred forty-five million, one hundred thousand, twenty-five".