245494376525 has 12 divisors (see below), whose sum is σ = 308700536544. Its totient is φ = 193629366000.

The previous prime is 245494376497. The next prime is 245494376527. The reversal of 245494376525 is 525673494542.

It is not a de Polignac number, because 245494376525 - 2⁶ = 245494376461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245494376527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69151571 + ... + 69155120.

It is an arithmetic number, because the mean of its divisors is an integer number (25725044712).

Almost surely, 2^245494376525 is an apocalyptic number.

245494376525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245494376525 is a deficient number, since it is larger than the sum of its proper divisors (63206160019).

245494376525 is a wasteful number, since it uses less digits than its factorization.

245494376525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138306772 (or 138306767 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 56.

The spelling of 245494376525 in words is "two hundred forty-five billion, four hundred ninety-four million, three hundred seventy-six thousand, five hundred twenty-five".