472051397 has 2 divisors, whose sum is σ = 472051398. Its totient is φ = 472051396.

The previous prime is 472051387. The next prime is 472051403. The reversal of 472051397 is 793150274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329821921 + 142229476 = 18161^2 + 11926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472051397 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 472051397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472051387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236025698 + 236025699.

It is an arithmetic number, because the mean of its divisors is an integer number (236025699).

Almost surely, 2^472051397 is an apocalyptic number.

It is an amenable number.

472051397 is a deficient number, since it is larger than the sum of its proper divisors (1).

472051397 is an equidigital number, since it uses as much as digits as its factorization.

472051397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 472051397 is about 21726.7438195419. The cubic root of 472051397 is about 778.6275432134.

The spelling of 472051397 in words is "four hundred seventy-two million, fifty-one thousand, three hundred ninety-seven".