725350501 has 2 divisors, whose sum is σ = 725350502. Its totient is φ = 725350500.

The previous prime is 725350499. The next prime is 725350513. The reversal of 725350501 is 105053527.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432598401 + 292752100 = 20799^2 + 17110^2 .

It is a cyclic number.

It is not a de Polignac number, because 725350501 - 2¹ = 725350499 is a prime.

It is a super-2 number, since 2×725350501² = 1052266698601902002, which contains 22 as substring.

Together with 725350499, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 725350501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725350541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362675250 + 362675251.

It is an arithmetic number, because the mean of its divisors is an integer number (362675251).

Almost surely, 2^725350501 is an apocalyptic number.

It is an amenable number.

725350501 is a deficient number, since it is larger than the sum of its proper divisors (1).

725350501 is an equidigital number, since it uses as much as digits as its factorization.

725350501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 725350501 is about 26932.3318893853. The cubic root of 725350501 is about 898.4956353909.

The spelling of 725350501 in words is "seven hundred twenty-five million, three hundred fifty thousand, five hundred one".