725246477 has 2 divisors, whose sum is σ = 725246478. Its totient is φ = 725246476.

The previous prime is 725246461. The next prime is 725246513. The reversal of 725246477 is 774642527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 638775076 + 86471401 = 25274^2 + 9299^2 .

It is an emirp because it is prime and its reverse (774642527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 725246477 - 2⁴ = 725246461 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725246407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362623238 + 362623239.

It is an arithmetic number, because the mean of its divisors is an integer number (362623239).

Almost surely, 2^725246477 is an apocalyptic number.

It is an amenable number.

725246477 is a deficient number, since it is larger than the sum of its proper divisors (1).

725246477 is an equidigital number, since it uses as much as digits as its factorization.

725246477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658560, while the sum is 44.

The square root of 725246477 is about 26930.4006097199. The cubic root of 725246477 is about 898.4526816381.

The spelling of 725246477 in words is "seven hundred twenty-five million, two hundred forty-six thousand, four hundred seventy-seven".