354980025 has 18 divisors (see below), whose sum is σ = 635809070. Its totient is φ = 189322560.

The previous prime is 354980023. The next prime is 354980027. The reversal of 354980025 is 520089453.

It is an interprime number because it is at equal distance from previous prime (354980023) and next prime (354980027).

It can be written as a sum of positive squares in 3 ways, for example, as 147456 + 354832569 = 384^2 + 18837^2 .

It is not a de Polignac number, because 354980025 - 2¹ = 354980023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (354980023) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 788620 + ... + 789069.

Almost surely, 2^354980025 is an apocalyptic number.

It is an amenable number.

354980025 is a deficient number, since it is larger than the sum of its proper divisors (280829045).

354980025 is a wasteful number, since it uses less digits than its factorization.

354980025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577705 (or 1577697 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 354980025 is about 18840.9135924986. The cubic root of 354980025 is about 708.0565943939.

The spelling of 354980025 in words is "three hundred fifty-four million, nine hundred eighty thousand, twenty-five".