725542253 has 2 divisors, whose sum is σ = 725542254. Its totient is φ = 725542252.

The previous prime is 725542217. The next prime is 725542261. The reversal of 725542253 is 352245527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 705274249 + 20268004 = 26557^2 + 4502^2 .

It is a cyclic number.

It is not a de Polignac number, because 725542253 - 2¹² = 725538157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725541253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362771126 + 362771127.

It is an arithmetic number, because the mean of its divisors is an integer number (362771127).

Almost surely, 2^725542253 is an apocalyptic number.

It is an amenable number.

725542253 is a deficient number, since it is larger than the sum of its proper divisors (1).

725542253 is an equidigital number, since it uses as much as digits as its factorization.

725542253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 35.

The square root of 725542253 is about 26935.8915389857. The cubic root of 725542253 is about 898.5748031657.

The spelling of 725542253 in words is "seven hundred twenty-five million, five hundred forty-two thousand, two hundred fifty-three".