651230425 has 6 divisors (see below), whose sum is σ = 807525758. Its totient is φ = 520984320.

The previous prime is 651230383. The next prime is 651230471. The reversal of 651230425 is 524032156.

It can be written as a sum of positive squares in 3 ways, for example, as 72539289 + 578691136 = 8517^2 + 24056^2 .

It is not a de Polignac number, because 651230425 - 2¹⁹ = 650706137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 651230393 and 651230402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13024584 + ... + 13024633.

Almost surely, 2^651230425 is an apocalyptic number.

It is an amenable number.

651230425 is a deficient number, since it is larger than the sum of its proper divisors (156295333).

651230425 is a wasteful number, since it uses less digits than its factorization.

651230425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26049227 (or 26049222 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 651230425 is about 25519.2167787336. The cubic root of 651230425 is about 866.7853465844.

The spelling of 651230425 in words is "six hundred fifty-one million, two hundred thirty thousand, four hundred twenty-five".