551120245 has 16 divisors (see below), whose sum is σ = 712760832. Its totient is φ = 406670400.

The previous prime is 551120231. The next prime is 551120279. The reversal of 551120245 is 542021155.

It is not a de Polignac number, because 551120245 - 2¹³ = 551112053 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 15 ways as a sum of consecutive naturals, for example, 116170 + ... + 120820.

It is an arithmetic number, because the mean of its divisors is an integer number (44547552).

Almost surely, 2^551120245 is an apocalyptic number.

It is an amenable number.

551120245 is a deficient number, since it is larger than the sum of its proper divisors (161640587).

551120245 is a wasteful number, since it uses less digits than its factorization.

551120245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6492.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 551120245 is about 23475.9503535001. The cubic root of 551120245 is about 819.8771603616.

It can be divided in two parts, 551120 and 245, that multiplied together give a square (135024400 = 11620²).

The spelling of 551120245 in words is "five hundred fifty-one million, one hundred twenty thousand, two hundred forty-five".