651425429 has 2 divisors, whose sum is σ = 651425430. Its totient is φ = 651425428.

The previous prime is 651425387. The next prime is 651425471. The reversal of 651425429 is 924524156.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (651425387) and next prime (651425471).

It can be written as a sum of positive squares in only one way, i.e., 614544100 + 36881329 = 24790^2 + 6073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-651425429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 651425392 and 651425401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (651425629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325712714 + 325712715.

It is an arithmetic number, because the mean of its divisors is an integer number (325712715).

Almost surely, 2^651425429 is an apocalyptic number.

It is an amenable number.

651425429 is a deficient number, since it is larger than the sum of its proper divisors (1).

651425429 is an equidigital number, since it uses as much as digits as its factorization.

651425429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 38.

The square root of 651425429 is about 25523.0372213026. The cubic root of 651425429 is about 866.8718544905.

The spelling of 651425429 in words is "six hundred fifty-one million, four hundred twenty-five thousand, four hundred twenty-nine".