492215401 has 2 divisors, whose sum is σ = 492215402. Its totient is φ = 492215400.

The previous prime is 492215389. The next prime is 492215407. The reversal of 492215401 is 104512294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426216025 + 65999376 = 20645^2 + 8124^2 .

It is a cyclic number.

It is not a de Polignac number, because 492215401 - 2⁵ = 492215369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 492215401.

It is not a weakly prime, because it can be changed into another prime (492215407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246107700 + 246107701.

It is an arithmetic number, because the mean of its divisors is an integer number (246107701).

Almost surely, 2^492215401 is an apocalyptic number.

It is an amenable number.

492215401 is a deficient number, since it is larger than the sum of its proper divisors (1).

492215401 is an equidigital number, since it uses as much as digits as its factorization.

492215401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 492215401 is about 22185.9279950152. The cubic root of 492215401 is about 789.5598685997.

Adding to 492215401 its reverse (104512294), we get a palindrome (596727695).

The spelling of 492215401 in words is "four hundred ninety-two million, two hundred fifteen thousand, four hundred one".