245425151 has 4 divisors (see below), whose sum is σ = 247718952. Its totient is φ = 243131352.

The previous prime is 245425133. The next prime is 245425189. The reversal of 245425151 is 151524542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245425151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245425121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146740 + ... + 1146953.

It is an arithmetic number, because the mean of its divisors is an integer number (61929738).

Almost surely, 2^245425151 is an apocalyptic number.

245425151 is a deficient number, since it is larger than the sum of its proper divisors (2293801).

245425151 is a wasteful number, since it uses less digits than its factorization.

245425151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2293800.

The product of its digits is 8000, while the sum is 29.

The square root of 245425151 is about 15666.0509063388. The cubic root of 245425151 is about 626.0942120553.

Adding to 245425151 its reverse (151524542), we get a palindrome (396949693).

The spelling of 245425151 in words is "two hundred forty-five million, four hundred twenty-five thousand, one hundred fifty-one".