245532551 has 8 divisors (see below), whose sum is σ = 268012800. Its totient is φ = 223078840.

The previous prime is 245532527. The next prime is 245532557. The reversal of 245532551 is 155235542.

245532551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245532551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245532557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16130 + ... + 27408.

It is an arithmetic number, because the mean of its divisors is an integer number (33501600).

Almost surely, 2^245532551 is an apocalyptic number.

245532551 is a deficient number, since it is larger than the sum of its proper divisors (22480249).

245532551 is a wasteful number, since it uses less digits than its factorization.

245532551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13269.

The product of its digits is 30000, while the sum is 32.

The square root of 245532551 is about 15669.4783257133. The cubic root of 245532551 is about 626.1855266739.

The spelling of 245532551 in words is "two hundred forty-five million, five hundred thirty-two thousand, five hundred fifty-one".