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153412997 is a prime number
BaseRepresentation
bin10010010010011…
…10010110000101
3101200200012001212
421021032112011
5303233203442
623120101205
73541663133
oct1111162605
9350605055
10153412997
1179663501
1243464805
1325a2552a
1416536753
15d705a82
hex924e585

153412997 has 2 divisors, whose sum is σ = 153412998. Its totient is φ = 153412996.

The previous prime is 153412991. The next prime is 153412999. The reversal of 153412997 is 799214351.

It is a Cunningham number, because it is equal to 123862+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153412996 + 1 = 12386^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 153412997 - 224 = 136635781 is a prime.

Together with 153412999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153412991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76706498 + 76706499.

It is an arithmetic number, because the mean of its divisors is an integer number (76706499).

Almost surely, 2153412997 is an apocalyptic number.

It is an amenable number.

153412997 is a deficient number, since it is larger than the sum of its proper divisors (1).

153412997 is an equidigital number, since it uses as much as digits as its factorization.

153412997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 153412997 is about 12386.0000403682. Note that the first 4 decimals coincide. The cubic root of 153412997 is about 535.3289350525.

The spelling of 153412997 in words is "one hundred fifty-three million, four hundred twelve thousand, nine hundred ninety-seven".