551673425 has 6 divisors (see below), whose sum is σ = 684075078. Its totient is φ = 441338720.

The previous prime is 551673407. The next prime is 551673457. The reversal of 551673425 is 524376155.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 95082001 + 456591424 = 9751^2 + 21368^2 .

It is not a de Polignac number, because 551673425 - 2¹⁸ = 551411281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11033444 + ... + 11033493.

It is an arithmetic number, because the mean of its divisors is an integer number (114012513).

Almost surely, 2^551673425 is an apocalyptic number.

It is an amenable number.

551673425 is a deficient number, since it is larger than the sum of its proper divisors (132401653).

551673425 is a wasteful number, since it uses less digits than its factorization.

551673425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22066947 (or 22066942 counting only the distinct ones).

The product of its digits is 126000, while the sum is 38.

The square root of 551673425 is about 23487.7292431601. The cubic root of 551673425 is about 820.1513824220.

The spelling of 551673425 in words is "five hundred fifty-one million, six hundred seventy-three thousand, four hundred twenty-five".