245330525 has 18 divisors (see below), whose sum is σ = 334383546. Its totient is φ = 178420000.

The previous prime is 245330509. The next prime is 245330537. The reversal of 245330525 is 525033542.

245330525 = T₃₂₁ + T₃₂₂ + ... + T₁₁₄₅.

It can be written as a sum of positive squares in 3 ways, for example, as 33860761 + 211469764 = 5819^2 + 14542^2 .

It is not a de Polignac number, because 245330525 - 2⁴ = 245330509 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 17 ways as a sum of consecutive naturals, for example, 37526 + ... + 43575.

Almost surely, 2^245330525 is an apocalyptic number.

245330525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245330525 is a deficient number, since it is larger than the sum of its proper divisors (89053021).

245330525 is a wasteful number, since it uses less digits than its factorization.

245330525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81133 (or 81117 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 245330525 is about 15663.0305177510. The cubic root of 245330525 is about 626.0137361867.

The spelling of 245330525 in words is "two hundred forty-five million, three hundred thirty thousand, five hundred twenty-five".